Katie misses school while she is home with the flu.

Imagines the life story of Christina Olson, the subject of Andrew Wyeth's painting "Christina's World," describing the simple life she led on a remote Maine farm, her complicated relationship with her family, and the illness that incapacitated her.

Aza Ray Boyle's life has been defined by a unique lung disease and her evolving friendship with Jason, but just before her sixteenth birthday, she is swept up into the sky-bound world of Magonia and discovers her true identity.

A deadly, flu-like epidemic and a plague of flesh-eating creatures threaten the lives of the children at Perdido Beach while Sam, Astrid, Caine, and Diana each struggle with doubts and uncertainties.

When Gerald the elephant begins sneezing around his friend Piggie, he begins to suspect that he might be allergic to pigs and is afraid this could mean the end of their friendship.

Judy is excited about becoming a doctor, especially when Class 3T starts a new unit on the human body, but she learns more about being a patient when she catches tonsillitis from her little brother, Stink.

Madeline, smallest and naughtiest of the twelve little charges of Miss Clavel, wakes up one night with an attack of appendicitis.

In cumulative verses using rebuses, a young boy describes all the things he will need since he is not feeling well--until he learns that school is closed because of a snow storm.

When Squish, a meek amoeba who loves the comic book exploits of his favorite hero, "Super Amoeba," starts feeling sick, he worries he has caught a deadly illness.

When Yoko and her classmates become sick, Mrs. Jenkins comes up with a great idea to identify who might be responsible for spreading germs.