The Asthma Wizard Activity Book Author:Ann Mullen and Sarah Oliver Asthma is the most common chronic disease of childhood. As many as 5 million children have asthma. — There is no know cure for asthma but the disease can be controlled. Managing asthma is the key! This book is designed to help kids manage their asthma by educating them about their disease. — The goal is to help your child feel in control of asthma... more » instead of feeling like the asthma is in control.