A disappearing floor, a savage-looking hound, a galloping ghost and a startling invention are just a few of the strange elements that complicate Frank and Joe's efforts to solve the mystery of the death of an heir to a mansion.

Nancy races against time to unravel the clues in a dead man's letters. If she succeeds, Philip March and his little granddaughter can be saved from financial ruin. It takes courage and ingenuity for the alert young detective to discover the significance of the skeleton with the upraised arm and to find the source of the spooky sounds of music in the old attic.

"With a knack for trivia, Encyclopedia solves mysteries for the neighborhood kids through his detective agency. But his dad is also the chief of police, and every night, Encyclopedia helps him solve his most baffling crimes. Join Encyclopedia Brown as he solves ten confounding mysteries, involving a kidnapped ambassador, two suspicious boxers and missing money, and more. And with the clues given in each case, readers will have a chance to solve the...

With a knack for trivia, Encyclopedia solves mysteries for the neighborhood kids through his detective agency. But his dad is also the chief of police, and every night, Encyclopedia helps him solve his most baffling crimes. Join Encyclopedia Brown as he solves ten confounding mysteries, from recovering a client's prized tooth collection to following a trail of paint to find a sneaky thief, and more. And with the clues given in each case, readers will...

InvestiGators fans, rejoice! Get ready to dive into the third volume of Agents of S.U.I.T., featuring the weird and wacky coworkers of everyone's favorite sewer-sleuthing super-agents, Mango and Brash! With more than two million copies of InvestiGators in print, readers are primed for more GatorVerse action!
The first two volumes of AGENTS OF S.U.I.T., the long-awaited spinoff of John Green's smash-hit INVESTIGATORS series, turned the

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Frank and Joe are harassed when they try to locate a descendant of the Aztecs.

Obstacles get in their way when Frank and Joe decide they want to buy a Chinese junk and open up a ferry service.

Frank and Joe uncover a plot to steal a vital top-secret instrument of the space program. They go off to jungle-filled islands to uncover a spy ring and recover their father's stolen documents.

Nancy travels with her father and two close friends to visit her great-grandmother in Scotland and discovers the mystery of a missing family heirloom.

To Sherlock Holmes she is always THE woman. I have seldom heard him mention her under any other name. In his eyes she eclipses and predominates the whole of her sex. It was not that he felt any emotion akin to love for Irene Adler. All emotions, and that one particularly, were abhorrent to his cold, precise but admirably balanced mind. He was, I take it, the most perfect reasoning and observing machine that the world has seen, but as a lover he would...