When her mother disappears and a menacing stranger tries to claim her home, Brightwood Hall, for himself, Daisy must use her wits, courage, and help from her imaginary friends to survive.

George's imaginary friend Nobody convinces George to wake up early one morning and cook a feast for his family, making a mess and getting into trouble in the process.

Many unusual and unexpected things happen while Max plays with his invisible dragon.

Ruthie has a problem at school. It is the Snurtch. The Snurtch is a scribbly, grabby, rude monster who follows Ruthie around and gets her into all sorts of trouble. It seems Ruthie will never be rid of the Snurtch. But eventually, she realizes she's not the only one... George has one too.

A young girl goes on adventures with a discarded refrigerator box, but after a week of traveling in outer space, going camping, and exploring the oceans her new friend has some rips and crumples that may put an end to their fun.

"Dory's sure that her big sister's friendship troubles have to do with pirates, but she'll have to navigate those rocky waters without her imaginary first mate Mary, who's found an exciting new pal of her own"-- Provided by publisher.

When she and her friends are placed in different classes and begin liking different things at the start of seventh grade, Dany inherits a magic sketchbook and uses it to create a perfect best friend, but this best friend soon becomes far from perfect.

When Sam, a lonely little boy, wishes for a friend, Fred, an imaginary friend, appears.