Told in two voices, eleven-year-old Jack and the imaginary friend he thought he'd outgrown, George, find each other again when Jack's family hits a crisis.

"When Lily wakes up one morning with grumpy feet, her imaginary friend Bear tries to cheer her up"--

The day twelve-year-old Stanly finds a finger bone growing into a skeleton in his yard everything changes--his seven-year-old sister Miren adopts the skeleton, which only children can see, as a friend and playmate, and as her health continues to deteriorate Stanly blames the skeleton and tries to drive it away, although it is the only thing that seems to give Miren any joy.

About the time that her father was diagnosed with cancer, Jade invented Zoe, an imaginary friend in the pages of her notebook that she could depend on; then one of her classmates, Gresham Gorham (called Clue), somehow brings Zoe to life, and Jade suddenly has a best friend, one she can still control by what she writes in her notebook--but soon Jade begins to wonder how much a friendship is worth if you are calling all of the shots, and whether she...