Sara Martinez is a hacker. She recently broke into the New York City juvenile justice system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, she finds herself facing years in a juvenile detention facility and banned from using computers. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself withing a secret team of your MI6 agents....

When hackers target locations all over London, Kat leads the City Spies in testing security for the British Museum where a secret message leads them to Egypt and the ancient City of the Dead.

After aiding an injured child, Nancy accidentally stumbles upon the mystery of Josiah Crowley's missing will. While several of Crowley's impoverished relatives claim that he had included them in his will, his arrogant relatives, seem to possess the only copy, which leaves them in total possession of the deceased man's fortune. Nancy is intrigued by the situation and begins searching for Crowley's missing antique clock, an object that reportedly contains...

Twelve-year-old Young Lady of Quality and Victorian amateur detective Myrtle Hardcastle returns, and now she is on the trail of a serial killer in her hometown of Swinburne.

After a dying criminal confesses that his loot has been stashed "in the tower", the Hardy boys make an astonishing discovery.

When twelve-year-old aspiring detective Myrtle Hardcastle learns her neighor in quiet Swinburne, England, a breeder of rare flowers, has died she is certain it was murder and that she must find the killer.--

"Now with a brand-new look, this is an edition that collectors won't want to miss! In The Secret of the Caves, the seventh book in the incredibly popular, long-running series, Frank and Joe Hardy discover the secret of the Honeycomb Caves while searching for a missing professor. A special treat for Hardy Boys fans and any reader who's new to the series!"--

Colin and Nevaeh are great at finding things. After all, they found each other and became best friends-even though their parents are business rivals. They also found hidden boxes of secret letters, which led them to unravel mysteries about kids from the 1970s. But when they started Mystery Solvers Inc., they didn't expect to be asked to find a ghost. Ree recruits them to investigate a series of old, spooky photos left behind in her family's new house....

Meet Timmy Failure, the founder, president, and CEO of the best detective agency in town, probably the nation. And his lazy sidekick, Total, a 1,500-pound polar bear.

Newspaperman Jim Qwilleran and his two cats, Koko and Yum Yum, investigate a suspicious fire which killed a woman in her nineties.