"We all get by with a little help from our friends. Now, you might not think of sharks as having friends. But they do. And those friends provide important help in keeping sharks clean and free of parasites. In return, sharks provide protection for their friends. This captivating volume will thrill young readers as they learn about the relationship between sharks and the various cleaner fish who help them. Accessible text addresses important science...

"The movie Finding Nemo introduced the general public to clown fish and their sea anemone homes. But there's so much more to learn about this relationship. For example, did you know only 10 of the over 1,000 sea anemone species form mutualistic relationships with clown fish? Young readers will delight in learning about the relationship between these two endearing sea creatures in this engaging volume. Accessible text highlights important science concepts,...

"A bird in the hand is worth two in the bush, or so the saying goes. But what about a bird on your back that can help rid you of parasites and warn you of danger? That's what oxpeckers do for rhinos. Or at least that's what was believed until recent research suggested the relationship may be more complicated. This fascinating volume will captivate young readers as they discover the complex relationship between rhinos and oxpeckers. Age-appropriate...