Doctoroo (also known as Dr. Marsha Roo) and her team Kirby Koala, Louie Llama, and Terence Toad may live in Australia, but they travel the world solving medical mysteries.

In Doctoroo & the Case of the Hacking Hippo,they are in Australia, where the famous opera singer Hilda Hippo has a gigantically germy coughing problem. Will Hilda keep coughing and miss her chance to sing for a very important person, or will Doctoroo and team solve her problem in time?

Doctoroo & the Case of the Hacking Hippo is part of the DOCTOROO series, which uses mystery, humor, and adventure to teach healthy habits to children ages 4 - 8.

This book can be found on Amazon at: https://a.co/d/dgncZIY