Koalas in a Crisis

 is the seventeenth book in the Animal Ark book series, written by Lucy Daniels, which was first released in 1996.

Summary
Mandy is off to Australia for six months and can't wait to see her first Koala. She's not disappointed when she visits the wildlife sanctuary but her joy turns to horror when she learns that the koalas are threatened. Can Mandy save the koalas from starvation?