Four orphans, two boys and two girls, set up housekeeping in an old boxcar.

The robbery of the treasure in the tower proves to be an exciting challenge to Frank and Joe.

At 8:15 in the morning, a small commuter plane carrying forty-seven passengers crashes into an apartment building in Granada Hills, California. Shock waves ripple through Los Angeles, as L.A.P.D. Lieutenant Peter Decker works overtime to calm rampant fears of a 9/11-type terror attack. But a grisly mystery lives inside the plane's charred and twisted wreckage: the unidentified bodies of four extra travelers. And there is no sign of an airline employee...

When Cam's grandparents are robbed on their way to her parents' surprise birthday party, Cam uses her photographic memory to solve the mystery.

While having breakfast at their favorite diner, two detectives, Bunny and Jack, solve a mystery that is not what it seems.

Novice bounty hunter Stephanie Plum goes after Joe Morelli, who is an ex-boyfriend and a former vice cop, now on the run from a charge of murder.

Nate the Great investigates the mysterious disappearance of the purple plastic octopus that his baseball team uses for second base.

Kinsey Millhone, a female private detective, is hired by a wife who did time for her husband's murder to find out who really killed him.

As more and more of his flowers display the bite marks of a wandering tortoise, Nate sets out to uncover the mystery of the reptile's origins.