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The Children's Book Series



DOCTOROO is a children's book series which uses mystery, humor and adventure to teach healthy habits to children ages four through eight. 

coloring book

Who is Doctoroo?
A Coloring Book

Who is Doctoroo? coloring book is based on the  Doctoroo book series. Readers tag along with Doctoroo and her team of friends as they travel the world, go on adventures, and solve fascinating health mysteries. For children 4-8.


Doctoroo & the Case of the Red-Hot Hawaiians Paperback & ebook

Doctoroo and her team―Kirby Koala, Louie Llama, and Terence Toad― may live in Australia, but they travel all over the world solving medical mysteries. In Doctoroo & the Case of the Red-Hot Hawaiians, they fly to The Big Island of Hawaii, where red, hot and very itchy hula dancers are in danger of missing their Big Dance Festival. Will they have to skip the Festival, or will Doctoroo help them in time?

hacking hippo

Doctoroo & the Case of the Hacking Hippo 

Doctor Marsha Roo and her crew are living in Australia teaching healthy habits to the other animals in their town. But she turns into Doctoroo to help solve mysteries all over the world! In this book, Doctoroo and her friends help Hilda the Hippo, a famous Opera singer, find out why she is so sick. Will they solve the mystery and help Hilda get better before the Queen of England arrives to watch Hilda perform? Find out in this book along with germ fighting tips!


Doctoroo and the Case of the Picnic Pirates

In this book, Doctoroo and friends fly to the United States to find out why bear cubs in the Tumbling Potomac Pirates won’t practice their somersaults, cartwheels, or handsprings. Will Doctoroo discover what is wrong? Will she have the answer in time for the cubs to perform on the Fourth of July, America’s Independence Day?

Welcome to the Magical World of Doctoroo and Friends


Louie Llama

Terrance the Toad

Terence Toad


Kirby Koala

What People are Saying

Laurence Kirshbaum

This is a charming children's book aimed at younger readers with the intention of entertaining them as well as conveying important health information... 

Bruce H.

The author, Dr. Wellner, blends interesting story telling, colorful illustrations, and wonderful health instructions for children....

Jon L. Norinsberg

This is a wonderful and enchanting children’s book! It is a great story with lovable characters and important health information. It also has great illustrations. My kids absolutely loved it!!    

In the Media

Meet the Author


Dr. Rachel Wellner

Dr. Wellner is a Board-Certified general surgeon, a Fellow of the American College of Surgeons, and Society of Surgical Oncology-trained breast oncology surgeon.

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