When the Aldens agree to watch the house of a local author who has written a book about a vampire, they end up investigating activities that are suspiciously similar to those in his book.

The four Alden children, aged six to fourteen, volunteer at the new recycling center in town, and help uncover who is breaking in and making a mess each night.

Nate the Great takes on his first night case and tries to solve the mystery of the garbage snatcher.

Cursed by an old carnival game, sixth-grader Rex Dexter uses his new ability to communicate with dead animals to investigate the mysterious deaths of endangered zoo animals.

With a kindly new headmaster at Rookwood School, Scarlet and Ivy hope to focus on learning more about their mother but weird things start happening after a new ballet teacher arrives.

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

"Could the Mark Twain books hidden through Book Scavenger contain clues about the string of recent arson fires plaguing the city? And will Emily and James uncover the mystery before the arsonist comes after them?"--

"The phantom of the subway: When my sister Thea told me a ghost was haunting New Mouse City's subway tunnels, I had to get the scoop! So I set off with Thea, Trap, and my assistant editor Pinky Pick. But we were all in for the fright of our wee mouse lives...because the ghost turned out to be a CAT! The temple of the ruby of fire: It was my most thrilling adventure yet! My old friend Professor von Volt had discovered the location of the famous Ruby...

Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes ("Lock" to his friends). An heirloom Bible, donated by the Moriarty family more than a hundred years ago, has gone missing, and it doesn't take long for the...