Why can't penguins fly

A fun, quirky science series that tackles the questions other books are afraid to ask!Why can't penguins fly? Do spiders have a heart? And just how do cockroaches survive without a head? A Question of Science: Animals answers all these questions and much more.With an engaging question and answer format, these books draw kids into science in a fun way. Each book features one question per spread with a clear explanation to follow, diagrams and fun and humorous illustrations. The quirky questions a