An illustrated book for children of all ages about Jack, a young kookaburra living with his family amongst other birds and animals in an Australian bushland setting. Jack is learning about life. He has a problem though, he can't call as a kookaburra is supposed to do: he can't kooka. Then, one day something challenging happens which Jack turns into an opportunity to find his voice. Because of his courage he ends up gaining in wisdom, generosity, and experience.