When Julie, Andrew, and Claire have trouble breathing, they worry about what is going on with their bodies. As they sit together in the allergist's office, the Great Katie Kate swoops in and takes them on a journey of discovery through the human body as she explains the nature and treatment of asthma and allergies. Along the way, the youngsters learn about their condition and its triggers and cause the Worry Wombat to disappear.

This superhero saga provides an entertaining and indispensable tool for parents and medical professionals who are seeking a positive way to set young asthma patients on the road to recovery by helping them understand their condition and deal with their fears. As a well-respected physician who specializes in the treatment of women and children, the author presents challenging medical concepts in clear, accurate, and understandable prose.

This is the third book in the Great Katie Kate series, helping young children with serious illnesses understand their condition and live with confidence.