Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins (September 14, 2004) Language: English Product Dimensions: 10 x 8 inches Treasure Map (Mapping): Buried treasure! Matthew can't wait to tell his friends in the Elm Street Kids' Club about the cool map he found. It's...

Age Range: 6 - 10 years Grade Level: 2 and up Lexile Measure: 530L Paperback: 40 pages Publisher: HarperCollins; 1 edition (July 19, 1996) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Too Many Kangaroo Things to Do! (Multiplying): Poor Kangaroo! It's his birthday but everybody's too busy...

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins; 1 edition (August 20, 2002) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Sluggers' Car Wash (Dollars and Cents): The 21st Street Sluggers have a problem: Their t-shirts are all worn and dirty. And that...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 380L Paperback: 40 pages Publisher: HarperCollins (December 26, 2000) Language: English Product Dimensions: 8 x 10 inches Shark Swimathon (Subtracting Two-Digit Numbers): The Ocean City Sharks swim team Gill, Fin, Stripes, Tiny, and the hammerhead...

Age Range: 6 - 10 years Grade Level: 2 and up Paperback: 40 pages Publisher: HarperCollins; 1 edition (December 18, 2001) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Safari Park (Finding Unknowns): Grandpa's taking all the grandkids to the neatest amusement park ever: Safari Park. The...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 570L Paperback: 40 pages Publisher: HarperCollins (August 25, 1999) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Room for Ripley (Capacity): The guppy in the pet store ripples through the water as he swims, so Carlos names him Ripley....

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins (February 28, 2006) Language: English Product Dimensions: 8 x 0.2 x 10 inches Rodeo Time (Reading a Schedule): Katie and Cameron are all excited to help their uncle, Cactus Joe, with chores at the rodeo. Their first...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 580L Paperback: 40 pages Publisher: HarperCollins (March 27, 1996) Language: English Product Dimensions: 10 x 0.1 x 8 inches Ready, Set, Hop! (Building Equations): Who's the better hopper? Matty, the tall frog? Or Moe, who's just plain big? Only...

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins (March 1, 2005) Language: English Product Dimensions: 10 x 8 inches Polly's Pen Pal (Metrics): Polly's new pen-pal, Ally, lives in Montreal, Canada, where they use the metric system. Polly and Ally have lots in common...

Age Range: 6 - 10 years Grade Level: 2 and up Lexile Measure: 240L Paperback: 40 pages Publisher: HarperCollins (August 8, 1998) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches The Penny Pot (Counting Coins): Art teacher Fran is painting kids' faces at the school fair for 50 cents each. But...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 620 Paperback: 40 pages Publisher: HarperCollins (August 14, 2003) Language: English Product Dimensions: 10 x 8 inches Less Than Zero (Negative Numbers): It is so much fun to be a penguin especially when you can swirl around on your very own...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 380L Paperback: 40 pages Publisher: HarperCollins; MathStart 3 edition (December 18, 1997) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Lemonade for Sale (Bar Graphs): When members of the Elm Street Kids' Club decide to sell lemonade...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 380L Paperback: 40 pages Publisher: HarperCollins (December 9, 1998) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Jump, Kangaroo, Jump! (Fractions): It's Field Day at camp. The 12 campers a kookaburra, an emu, two platypuses, three...

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins (August 23, 2005) Language: English Product Dimensions: 10 x 0.5 x 8 inches Hamster Champs (Angles): The car drives away and suddenly its just Hector the cat and three clever hamsters Pipsqueak, Chuckles and Moe....

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins; 1 edition (December 24, 2002) Language: English Product Dimensions: 10 x 8 inches The Grizzly Gazette (Percentage): It's election time at Camp Grizzly. Who will win the race to be the new mascot? Sophie's got the...

Age Range: 6 - 10 years Grade Level: 2 - 02 Lexile Measure: 390L Paperback: 40 pages Publisher: GREAT SOURCE; 1 edition (August 22, 2000) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Game Time! (Time): Last year, the Falcons were the soccer league champs. Can the Huskies beat them this...

Age Range: 6 - 10 years Grade Level: 2 - 3 Paperback: 40 pages Publisher: HarperCollins; 1 edition (January 20, 2004) Language: English Product Dimensions: 10 x 8 inches Earth Day Hooray! (Place Value): Members of Maple Street Save-the-Planet Club are cleaning up Gilroy Park when Ryan has a brainstorm:...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 660L Paperback: 40 pages Publisher: HarperCollins; 1 edition (January 3, 1997) Language: English Product Dimensions: 10 x 0.1 x 8 inches Divide and Ride (Dividing): In order to ride the Dare-Devil roller coaster at the Carnival, there must be...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 410L Paperback: 40 pages Publisher: HarperCollins (August 21, 2001) Language: English Product Dimensions: 9.8 x 8 inches Dinosaur Deals (Equivalent Values): For dino-lovers Mike and his little brother Andy, there's nothing as exciting as the...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 400L Paperback: 40 pages Publisher: HarperCollins; English Language edition (January 5, 2000) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Dave's Down-to-Earth Rock Shop (Classifying): Budding geologists Josh and Amy are crazy about...

Age Range: 6 - 10 years Grade Level: 2 - 3 Lexile Measure: 440 Paperback: 32 pages Publisher: HarperCollins (August 16, 1997) Language: English Product Dimensions: 10 x 0.1 x 8 inches Betcha! (Estimating): At stake: two free tickets to the All-Star Game. And all you have to do is guess the correct number...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; MathStart 2 edition (September 14, 2004) Language: English Product Dimensions: 10 x 8 inches The O'Malleys are off to the beach! But it's a long, hot, boring drive. What can Eric, Bridget, and Nell do to keep busy?...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 410L Paperback: 40 pages Publisher: HarperCollins; 1 edition (December 9, 1998) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches One Saturday at the beach, Laura, Juan, and Sarah decide to have a sand castle contest. As the tide rises,...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; 1 edition (December 24, 2002) Language: English Product Dimensions: 10 x 8 inches How many different ice-cream sundaes can you make? With 6 ingredients to choose from, there are so many combinations. Read all about...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 90L Paperback: 40 pages Publisher: HarperCollins (August 25, 1999) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Monkeys ride in 2s, tumble by 3s, and march in 4s -- and readers can count them up as the parade goes by!

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; 8th ptg edition (August 23, 2005) Language: English Product Dimensions: 10 x 0.5 x 8 inches Hankie wants to be unpredictable, but the other horses are sure he'll always be the same old Hankie. Someone's in for a...

Age Range: 6 - 10 years Grade Level: Preschool - 2 Lexile Measure: 540 Paperback: 40 pages Publisher: HarperCollins (December 18, 2001) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches It's a long way around Perimeter Path! Mike's brother and sister say he's too young to compete in the 15-kilometer...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 280L Paperback: 40 pages Publisher: HarperCollins; 1 edition (December 25, 2000) Language: English Product Dimensions: 9.8 x 8 inches Nothing goes right for Jack all day long. He can't find his favorite sneakers, he spills milk on his math homework,...

Age Range: 6 - 10 years Grade Level: Kindergarten - 2 Lexile Measure: 510L Paperback: 40 pages Publisher: HarperCollins (January 5, 2000) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches After 7 days Pepper opens his eyes. After 2 months Pepper can leave his mother and come home with Lisa and...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; MathStart 2 edition (March 1, 2005) Language: English Product Dimensions: 10 x 8 inches Is your age more than 5? Is it less than 10? Eddie's got to guess. And he doesn't want to be wrong! Eddie has a booth at the...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins (February 28, 2006) Language: English Product Dimensions: 8 x 0.2 x 10 inches Shopping, counting, and a birthday present all add up to a surprise ending on Mall Mania Day! A lighthearted look at addition strategi...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 470L Paperback: 40 pages Publisher: HarperCollins (August 22, 2000) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches When Bob and Hannah split something, the two pieces had better be symmetrical--exactly the same. BUt to fly their kite,...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 430 Paperback: 40 pages Publisher: HarperCollins; 1 edition (March 27, 1996) Language: English Product Dimensions: 10 x 0.1 x 8 inches How do you share a pizza? You split it in half! Two siblings split a yummy lunch and discover that using fractions...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 420 Paperback: 40 pages Publisher: HarperCollins (July 19, 1996) Language: English Product Dimensions: 10 x 0.1 x 8 inches Sleepyheads will wish they had Sammie the dog to hurry them along in their morning routines. Read along as Sammie builds...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 370L Paperback: 40 pages Publisher: HarperCollins (December 17, 1997) Language: English Product Dimensions: 10 x 0.1 x 8 inches Blue Ribbon Blueberry Pie. If the bear cubs gather enough nuts, seeds and blueberries, Mama Bear has agreed to make...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 240L Paperback: 40 pages Publisher: HarperCollins; MathStart Subtracting edition (August 16, 1997) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches When the elevator goes down, the subtraction starts and so does the magic. Ben sees...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; 1 edition (August 14, 2003) Language: English Product Dimensions: 10 x 8 inches Clever Coyote thinks it's time for lunch and also time to show her friends how, with some simple rounding, she can add up numbers in...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 150L Paperback: 40 pages Publisher: HarperCollins; MathStart 2 edition (August 21, 2001) Language: English Product Dimensions: 10 x 0.1 x 8 inches Captain Invincible and his intrepid space-dog, Comet, are on a perilous journey back to Earth!...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins; 1 edition (August 20, 2002) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches In their family s new house, Jenny and Jeff are driving their little sister, Jill, crazy. Who has the bigger window? Who has...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 30L Paperback: 40 pages Publisher: HarperCollins (January 3, 1997) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches This busy family needs a vacation, but they don't know where to go. Mom and Dad want peace and quiet. Grandma wants...

Age Range: 6 - 10 years Grade Level: 1 - 2 Lexile Measure: 270L Paperback: 40 pages Publisher: HarperCollins; MathStart 2 edition (August 8, 1998) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Ride along with trucker Jill and her dog as they add up the animals zooming by. But these are no...

Age Range: 6 - 10 years Grade Level: 1 - 2 Paperback: 40 pages Publisher: HarperCollins (December 23, 2003) Language: English Product Dimensions: 10 x 8 inches Stuart J. Murphy travels all over the United States talking to thousands of kids. And you'll never believe what they talk about: MATH! Stuart...

Age Range: 4 - 8 years Grade Level: Preschool - 2 Lexile Measure: AD480L Paperback: 40 pages Publisher: HarperCollins; 1 edition (August 21, 2001) Language: English Product Dimensions: 10 x 8 inches It's slimy. It's smelly. Its green and it's gooey. It's seaweed soup -- and its Turtle's favorite lunch!...

Age Range: 4 - 8 years Grade Level: Preschool and up Lexile Measure: 290L Paperback: 40 pages Publisher: HarperCollins (August 25, 1999) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches At Rabbit's pajama party everyone is eating pizza, telling scary stories, and curling up in their sleeping...

Age Range: 4 - 8 years Grade Level: Preschool - 3 Lexile Measure: AD440L Paperback: 40 pages Publisher: HarperCollins; 1 edition (July 19, 1996) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Does a polka-dotted sock match a striped sock? Young children will learn about matching, an important...

Age Range: 4 - 8 years Grade Level: Preschool and up Series: MathStart 1 Paperback: 40 pages Publisher: HarperCollins (August 20, 2002) Language: English Product Dimensions: 10 x 0.1 x 8 inches It s the Lumpkin family reunion, and Uncle Howie is ready with his camera. All the cousins have to line up...

Age Range: 4 - 8 years Grade Level: Preschool and up Lexile Measure: 170L Paperback: 40 pages Publisher: HarperCollins (August 22, 2000) Language: English Product Dimensions: 9.8 x 0.1 x 8 inches Monster Musical Chairs Every time the music stops, one more monster is OUT! Kids won't be able to sit still...

Age Range: 4 - 8 years Grade Level: Preschool - 3 Lexile Measure: 420 Paperback: 40 pages Publisher: HarperCollins (December 26, 2000) Language: English Product Dimensions: 9.8 x 8 inches Missing Mittens Every animal on Farmer Bill's farm is missing one mitten. Readers can investigate odd and even numbers...

Age Range: 4 - 8 years Grade Level: Preschool - 3 Paperback: 40 pages Publisher: HarperCollins (September 21, 2004) Language: English Product Dimensions: 10 x 8 inches Maddie's room is a mess. Maddie's toys are everywhere. And Maddie has to clean them up before her birthday party starts. This looks like...

Age Range: 4 - 8 years Grade Level: Preschool and up Paperback: 40 pages Publisher: HarperCollins (August 23, 2005) Language: English Product Dimensions: 10 x 0.5 x 8 inches Stuart J. Murphy travels all over the UnitedStates talking to thousands of kids. And you'll never believe what they talk about:...