"Twelve-year-old Quicksilver--the self-proclaimed greatest thief in all the Star Lands--must travel back in time to when magic still existed and, with the help of her older self and a dog named Fox, stop the evil Wolf King from hunting witches to extinction"--

While Frank and Joe help their father locate a notorious jewel thief, they also explore the mysterious death of a tycoon's nephew years before.

Two brothers, having run away from the aunt who plans to adopt only the younger one, are sought by a detective hired by their aunt, but they find protection from a gang of Venetian street children and their leader, the Thief Lord.

I did not kill my brother. I did quite the opposite, really. It’s the year 2052. Stevie Henry is a Cherokee girl working at a museum in Texas, trying to save up enough money to go to college. The world around her is in a cycle of drought and superstorms, ice and fire … but people get by. But it’s about to get a whole lot worse. When a mysterious boy shows up at Stevie’s museum saying that he’s from the future -- and telling her what is to...

The clever and greedy wildcat Tsarmina becomes ruler of all Mossflower Woods and is determined to govern the peaceful woodlanders with an iron paw. The brave mouse Martin and quick-talking mouse thief Gonff meet in the depths of Kotir Castle's dungeon. The two escape and resolve to end Tsarmina's tyrannical rule. Joined by Kinny the mole, Martin and Gonff set off on a dangerous quest for Salamandastron, where they are convinced that their only hope,...

While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom.

A bandit is on the loose at 6th-grader Chase Cooper's school. As each day passes, the bandit's reach grows further and further.

Seventh-grader Steve Brixton finds himself pulled back into sleuthing when, during a train trip down the California coast, he uncovers a mystery involving a fleet of priceless automobiles, an assassin, and a private rail car.

The orange outlaw: While visiting Dink's uncle in New York City, Dink, Josh, and Ruth Rose help uncover who is responsible for stealing a very valuable painting. The panda puzzle: Dink, Josh, and Ruth Rose investigate the kidnapping of the new baby panda at the petting zoo. The quicksand question: When someone steals the money the town has been collecting to help the ducks, Josh and his friends try to find the thief. The runaway racehorse: Dink,...

Life is short. Diamonds are fur-ever. Internationally famous cat burglar Ophelia von Hairball V adores jewels--the only thing she loves more is a challenge. She's never met a safe she couldn't crack. Now the Furry Feline Burglary Institute (FFBI) offers her the ultimate caper: steal the giant Himalayan diamond and win their top award! There's a catch! The FFBI sends an enthusiastic inventor to help Ophelia...but this cat works alone, and Oscar Fishgerald...