Why Is the Sky Blue?  (English, Board book, unknown)

The perfect first book for young children interested in the world they see around them. Packed with real questions children have wondered about, such as "Why is the sky blue?" and "What do birds say when they sing?", it also contains exciting flaps to lift and tabs to pull that reveal the child-friendly answers, encouraging hours of fun and discussion. Ladybird is committed to the world in which we live, and this title uses 100% recycled paper.