What is the biggest reptile in the world? There's a lot of top contenders in that competition, but none can come close to the saltwater crocodile! This massive crocodilian is both the longest reptile and the heavy reptile around. Young readers will love jumping right into the life of this massive croc and discovering what makes this beast so wild! With photographs of the saltwater crocodile in its wild home, young readers won't be able to get enough saltwater crocodiles!