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.

"When he realizes that his grandfather's stories of an enchanted circus are true, Micah Tuttle sets out to find the mysterious Circus Mirandus--and to use its magic to save his grandfather's life"--

In this conclusion to the series, the Vanderbeekers are looking forward to the wedding of two of their favorite people. But when one of the siblings receives a dire diagnosis, instead of preparing for a celebration, the family is suddenly spending their time at the hospital. And soon they are helping a critically ill friend, even as they struggle with how their own lives have turned upside down.

Eleven-year-old Georgie is still adjusting to leaving Atlanta for a small town, having a stepfather, and being unable to get close to her stepsister when her six-year-old sister, Peaches, suddenly becomes very ill.

On Cape Cod in 1972, eleven-year-old Naomi, known as Chirp for her love of birds, gets help from neighbor Joey as she struggles to cope with her mother's multiple sclerosis and its effect on her father and sister.

"Twelve-year-old El has planned on making her first week at a new school fantastic. She won't go by her given name, Laughter. She'll sit in the back of the classroom where she can make new friends. She won't even have time to think about all the fun her old friends are having without her. Everything will be great. But when her dad picks her up after school and tells her that her younger sister, Echo, has a life-threatening illness, her world is suddenly...

Digger is not feeling well but after his sister, Daisy, convinces him to go see a doctor she must still persuade him to be brave by getting her own examination.

"When the ships of the harbor aren't feeling well, the hospital ship Hope comes to the rescue"--

When the strange symptoms of Zeke's flu cause him to ruin a skit he is in with his human classmates, he uses his alien powers to try to set things right.

Polly's stay with her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious strangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation.