As a thank-you from Merlin and Morgan, Jack and Annie are sent on what should be a vacation at a luxurious resort in Cozumel, Mexico, but is, by mistake, an adventure with ancient Mayans, instead.

"To save the future, she must return to the beginning. Three years after her best friend Peggy went missing, Harper Starling is lost. Lost in her dead-end job, lost in her grief. All she has are regrets and reruns of her favorite science fiction show, Infinite Odyssey. Then Peggy returns and demands to be taken to the Argonaut, the fictional main character of Infinite Odyssey. But the Argonaut is just that... fictional. Until the TV hero himself appears...

As Constance finds her way back to New York City in the late 1800s to prevent the death of her siblings and stop serial killer, Dr. Enoch Leng, FBI Special Agent Pendergast desperately tries to find a way to reunite with her before it's too late. Constance Greene has found a way back to the place of her origins, New York City in the late 1800s. She sets off on a quest to prevent the events that lead to the deaths of her sister and brother. But Manhattan's...

"A locked-room murder mystery set at a hotel for time travelers--in which a detective must solve an impossible crime before her own grip on reality crumbles--from the author of The Warehouse On any ordinary day, the Fairbanks--affectionately known to its staff as the Paradox Hotel--is packed with ultra-rich tourists dressed for a dozen different time periods, all anxiously waiting to catch their "flights" to the past. And as if that weren't strange...

"Seventeen-year-old Ana�is just wants tonight to end. As an outsider at the kingdom's glittering anniversary ball, she has no desire to rub shoulders with the nation's most eligible (and pompous) bachelors--especially not the notoriously roguish Prince Leo. But at the stroke of midnight, an explosion rips through the palace, killing everyone in its path. Including her. The last thing Ana�is sees is fire, smoke, chaos . . . and then she wakes up...

Eight-year-old Jack and his younger sister Annie use the magic treehouse to travel back to the Middle Ages, where they explore a castle and are helped by a mysterious knight.