An asthma attack can be a frightening thing to experience or to witness, but knowing the facts about asthma can help people prepare themselves as thoroughly as possible. These facts include detailed information about what causes asthma and what can be done to treat it, which readers learn through exploring detailed main text, sidebars, and graphic organizers. Diagrams and full-color photographs help readers visualize the biological processes affected by asthma. Readers discover that people with asthma can still lead active and exciting lives, which helps to erase the stigma surrounding this medical condition.