Twins Theo and Alexander and their sister Wil are abruptly dropped off at their Aunt Saffronia's house, where they learn they must complete a series of tasks in order to see their parents again--and their first assignment is at a waterpark.

Frank and Joe accompany a college champ preparing for a national championship in the sport of orienteering, but accidents begin to happen and they must find out who is trying to stop him from competing. Frank and Joe are thrilled to be taking part in the grand opening celebration of a new maze in Cape Breton, Nova Scotia. By solving puzzles-their specialty-they could win a valuable prize! But once they arrive, the teens soon have a new puzzle to solve:...

Nancy Drew comes to the aid of the owners of a local dancing school when they receive an anonymous note threatening their lives.

An elite group of underdogs trained to fight crime must save their unique school from shutting down.

Ten-year-old Cam, possessor of a photographic memory, and her friend Eric investigate what seems to be a brief appearance of U.F.O.s.

"A deliciously twisty YA thriller about a mysterious club with an obsession for horror"-- Scholarship student Rachel keeps to herself at Manchester Prep, preferring the company of horror films to trust fund babies. When a prank puts her on the radar of a mysterious student society, "The Mary Shelley Club", they subject her to a number of escalating Fear Tests which eventually puts them on the radar of a serial killer.

The robbery of the treasure in the tower proves to be an exciting challenge to Frank and Joe. Frank and Joe attempt to foil a ruthless espionage ring in their effort to sabotage the United States space program.

"The Robber Girl has a good dagger. Its voice in her head is as sharp as its two edges that taper down to a point. Today, the Robber Girl and her dagger will ride with Gentleman Jack into the Indigo Heart to claim the gold that's rightfully his. But instead of gold, the Robber Girl finds a dollhouse cottage with doorknobs the size of apple seeds. She finds two dolls who give her three tasks, even though she knows that three is too many tasks. The...

"Grayson Hawthorne was raised as the heir apparent to his billionaire grandfather, taught from the cradle to put family first. Now the great Tobias Hawthorne is dead and his family disinherited, but some lessons linger. When Grayson’s half-sisters find themselves in trouble, he swoops in to do what he does best: take care of the problem—efficiently, effectively, mercilessly. And without getting bogged down in emotional entanglements....

"When townspeople start disappearing after the arrival of a magician who knows about his past, Henry must separate truth from sleight-of-hand to solve the mystery of the Shadowghast lantern before they are all swallowed by darkness"--