The Holiday Adventures of Bonza and Sonja

This book is a description of where they lived and how they ended up in the Antarctic. They were hoping one day to meet their sister Jenny, who lived on the other side of the freezing Antarctic. They said goodbye to their friends who were swimming to Hervey Bay, Queensland, where it is warm. They decided, after a few days, to go themselves. They were warned by their father to watch out for whalin...