Was T. rex related to chickens? Why were dinosaurs so massive? Discover the answers to these questions and more in this astounding book, containing many brilliant books about all your favourite Jurassic creatures. ABOUT THE SERIES: Big Ideas! is a dynamic, educational "fun fact" series for children aged seven and up, illustrated throughout with humorous cartoons. Packed with surprising facts, stats, and records that kids will just love to share, it revels in all things weird, unexpected, mind-blowing, funny, and gross!