This title is a thrilling action and adventure series for children passionate about endangered animals and the environment. It offers lively and exciting illustrations throughout. Twins Ben and Zoe travel the world on secret missions for their uncle's elite environmental organization, WILD. In these exciting and informative books, the two teens travel all over the world to save animals in danger and protect the environment. No matter how dangerous the mission, no matter what's at stake, Ben and Zoe will do whatever it takes to rescue at-risk animals.