Words and illustrations by Teo Aik Cher have been featured in numerous publications. He has illustrated for books by trainers such as Adam Khoo, Conrad Alvin Lim and many others. His cartoons were also featured regularly in the Chinese newspaper Lianhe Zaobao. Why Excel? is Aik Chers tenth book for teens in the bestselling Why? series. Its other titles include: Why Procrastinate?, Why Take Action?, Why Simplify?, Why Be a Champion?, Why Study Smart?, Why Worry? Be Happy!, Why Be a Leader?, Why Persevere? and Why Score?. Aik Chers Why? books have been translated into Arabic, Bahasa Indonesia, Chinese and Vietnamese. They have also been featured in the Popular Bookstore bestseller list and The Sunday Times bestseller list.