Twelve-year-old William uses the magic token to return, through the toy castle in his attic, to the medieval land of Sir Simon, which is now menaced by a skeleton ship bearing a plague of ravenous rats.

It has been two years since Joseph Harker first Walked between dimensions, met the alternate forms of himself, and formed a team to protect the Altiverse in the struggle between the vicious forces of magic and science--and now, injured, he has returned to his own dimension, bringing danger with him.

As her mother prepares to be a contestant on the 1970s television game show, "The $20,000 Pyramid," a twelve-year-old New York City girl tries to make sense of a series of mysterious notes received from an anonymous source that seems to defy the laws of time and space.

In the Welsh hills Will Stanton, youngest of the immortal Old Ones, joins forces with Merriman, Bran, and the mortal Drew children in a quest through space and time against the powers of evil known as the Dark.

"In the second book in the Books of Beginning Trilogy, Michael and Emma must track down the Chronicle of Life, while Kate must find a way back to present day from the year 1899"--

Maddie Morrow thought her problems were over. She saved the Inn at Havenfall--a sanctuary between magical worlds hidden deep in the mountains of Colorado--from the evil Silver Prince. Her uncle the Innkeeper is slowly recovering from a mysterious spell that has left him not quite human. And there are still a few weeks of summer left to spend with her handsome, more-than-just-a-friend Brekken, even though she can't stop thinking about Taya. But Maddie...

Young Arthur Penhaligon must weigh an offer from Lady Friday that is either a cunning trap for the Rightful Heir or a golden opportunity that he must seize.

When he finds himself transported from Odyssey to the country of Marus in another world, James gradually becomes convinced that he has been sent by the Unseen One to help a young man who is sold into slavery by his jealous brothers.

When Arthur is drafted into the Glorious Army of the Architect by Sir Thursday, he must survive basic training, avoid getting posted to the Front, and figure out how to free Part Four of the Will, while Leaf tries to banish Arthur's doppleganger on Earth.

After learning that he has been sent from the future for a special purpose, eighteen-year-old Jack receives help from an unusual dog and a shape-shifting female fighter.