Gigantic!: How Big Were the Dinosaurs?

Dinosaurs were gigantic beasts that walked on Earth long before humans appeared. Everybody knows the dinosaurs were BIG, but how big is BIG? As big as a fire engine? As small as a chicken?Patrick O'Brien's marvelous illustrations place dinosaurs side by side with modern-day animals, vehicles, and people so that children can easily grasp how the dinosaurs would stack up if they were around today.