When Ephraim Appledore-Smith moves into Water Castle with his mother and stroke-afflicted father, he makes two new friends whose family history is tied to the castle. The three of them set out to discover the castle's magic in the hopes of helping Ephraim's father recover.

Very definite in her likes and dislikes, seven (nearly eight)-year-old Violet Bing goes to stay with her unusual Great-aunt Astrid in the Grand House.

When Olive Dunwoody takes her friends trick-or-treating, they're in for a shock--and being follwoed by an ominous creature is only the beginning. Strangers have come to Linden Street, and they seem awfully interested in Olive's house and in portals to Elsewhere. Can Olive trust them? -- from publisher.

When eleven-year-old Olive and her distracted parents move into an old Victorian mansion, Olive finds herself ensnared in a dark plan involving some mysterious paintings, a trapped and angry nine-year-old boy, and three talking cats.

A hermit crab who has outgrown his old shell moves into a new one, which he decorates and enhances with the various sea creatures he meets in his travels.

Since the siblings' last adventure, life in the Walker household is much improved—the family is rich and the Wind Witch is banished. But no Walker will be safe until she is found, and summoning her to San Francisco brings all the danger that comes with her and puts the Walkers in the crosshairs of a mysterious journey through Denver Kristoff's books. As the Walkers travel from ancient Rome to World War II to Tibet, they'll be tested in ways that...

Six bugs find a tennis ball and turn it into a wonderful house for themselves.

Julie welcomes all lost and homeless creatures into her house, whether they be cats or trolls, ghosts or dragons, but soon realizes that each must have a chore in order for the arrangement to work.

"A child realizes that while houses around the world may be very different, they are all alike when a friend asks you in"--