Buffy Silverman 
Can You Tell a Brachiosaurus from an Apatosaurus? 

A dinosaur sticks its tiny head between the trees. It reaches for plants with its long neck and spoon-shaped teeth. Was that beast a Brachiosaurus? Or was it an Apatosaurus? These dinosaurs looked similar, but they were very different. Read this book to become an expert at telling these look-alikes apart!