Los caimanes y los cocodrilos
"A pair of eyes lurks just above the water's surface. Is it a crocodile or an alligator? In these colorful pages, kids will learn all about these two reptiles--and find out what makes them different. Packed with beautiful and engaging photos, this Level 2 reader provides both accessible and wide-ranging text to encourage the scientists and explorers of tomorrow!"-- Provided by publisher.