This encyclopedia covers children's favourite topics, all in a friendly, easy-to-read Q&A format, perfect to dip into and browse. If your child is always asking questions, from 'how do aeroplanes fly?' to 'why do zebras have stripes?', and everything in between, this is the book for them. Shaped by children's interests and their insatiable curiosity, this is a book that children will read again and again.