Amy ignores her sister Lou's attempt to get in touch with their estranged father, deciding she does not want him back in her life, but problems with a new horse help her to forget the past and face the future with hope.

Mel, seventeen, has always wondered about her father, but is surprised to learn he is a member of the Evonian nobility and that he wants her to visit him and his family.

Eleven-year-old Yonder stopped talking when her mother died, and she stopped going to school because of the bullies, knowing that her father would never even notice (although the social worker did); indeed the only creature that seems to care about her is the one-eyed Shetland pony called Dirt who lives on the neighboring farm--so when she discovers that Dirt is about to be sold for horsemeat she is determined to find a way to save him.

Gillian Seagret doesn't listen to people who say her father's a crackpot. His conspiracy theories about the lost technology of Cold War-era rocket scientist Dr. Aloysius Underberg may have cost him his job and forced them to move to a cottage in the sticks, but Gillian knows he's right and plans to prove it. When she discovers a missing page from Dr. Underberg's diary in her father's mess of an office, she thinks she's found a big piece of the puzzle...

"Cordelia Clay loves the work she and her father do together: saving and healing the remarkable creatures around Boston at the end of the nineteenth century. Their home on Cedar Street is full to the brim with dragons, squelches, and diggles, and Cordelia loves every one of them. But their work must be kept secret--others aren't welcoming to outsiders and immigrants, so what would the people of Boston do to the creatures they call 'monsters'? One...