The perfect fact book for curious little ones who are looking for answers to some of the most interesting questions! Do you know what clouds are made of? Or what the fastest thing in the Universe is? And who was it that built the first computer? Explore and find out all the answers to your mind-bogg...

The perfect fact book for curious little ones who are looking for answers to some of the most interesting questions! Do you know what clouds are made of? Or what the fastest thing in the Universe is? And who was it that built the first computer? Explore and find out all the answers to your mind-boggling biology, chemistry and physics questions in this must-have guide to all things science! With amazing photos to go alongside incredible facts! Collect the rest of the series! Ultimate Questions & Answers: Animals and Nature Ultimate Questions & Answers: History and Culture Ultimate Questions & Answers: Human Body Ultimate Questions & Answers: Planet Earth Ultimate Questions & Answers: Space