How big were the teeth of a Tyrannosaurus Rex? How long was the neck of a Brachoisaurus? And why do scientists study dinosaur poo? Combining all the best bits about DINOSAURS from Dr Karl's Big, Bigger and Biggest Book of Science Stuff and Nonsense, this little book answers all these questions and many more. Filled with facts, quizzes, puzzles and activities, Dr Karl's Little Book of Dinosaurs provides a prehistoric world of fun!