Children are naturally curious about how the world around them works!
This set of book feature four themes: Mystery of the Human Body, Animal World, Natural Science, Science of Everyday Life, and tries to answer the most common questions young readers have!
This set contains the following books:
I Want to Know Why: Science of Everyday Life 我想知道為什麼:生活科學
I Want to Know Why: Animal World 我想知道為什麼:動物世界
I Want to Know Why: Mystery of the Human Body 我想知道為什麼:身體奧秘