Totonou is a young college student who stands out--both for his bushy hairdo and his finely-honed abilities of observation and deduction. When Totonou is accused of murder, he puts his skills to work and uses his exceptional insights to find the real killer. Later, all Totonou wants to do is return to his own little world, but he can't avoid getting caught up in one mystery after another. In his own blunt yet gentle way, Totonou is a truth seeker...

"University student Mimi and her boyfriend Naoto encounter one chilling mystery after another. There's the enigmatic neighbor woman dressed in black from head to toe--but if she's so odd, why does it seems like there are many others like her? Then, whose eyes track Mimi's movements from the cemetery next door? And why does a bizarre red circle drawn on a basement wall change with each passing day? Nine scary stories that really happened, drawn from...

Joe and Rob, the two goofy robots from outer space who send videos to Earth, solve a train ride mystery on the Botsburg Express.

"Geronimo and friends have to get to the bottom of a crown jewel of a case! Checkmate, cheese-lovers, er, we mean chess-lovers. For once, all is quiet in New Mouse City, so Geronimo Stilton, Editor-in-Chief of The Rodents Gazette can report on an incredible chess match-up. On one side, Gary Goudov, world-renowned chess champion, and on the other side, a super chess-playing computer! But after Geronimo leaves, the infamouse Gem Gang commits a string...

When the owner of the Daily Rat newspaper thinks Thea Stilton, who has vanished without a trace, is responsible for a recent string of robberies in New Mouse City, Geronimo must employ his "famouse" investigative skills to find Thea - and the truth.

To see what happened to a missing cruise ship, the InvestiGators have to get LOST AT SEA! Will Mango and Brash's FAR OUT plan SINK or SWIM?

Readers can help the great detective Batman and his sidekicks solve riddles, analyze evidence, look for clues, and spot solutions to mysteries before he logs them into his casebook.

"Truffles the cat is the only pet in the house and reigns in peace and quiet, only exerting himself to find the best place to take a nice, long nap?preferably in a spot of warm sunshine. Then Poppy the puppy bursts onto the scene. Poppy is loud, enthusiastic, excitable, and?worst of all?a puptective! She?s got an eye for crime and a nose to solve all mysteries that come her way?even though she?s not completely sure what a mystery is. Truffles cannot...

Eleven year-old superhero Wyatt Flynn and his little sister Adeline go to Camp Igneous, where they secretly explore a mysterious volcano which may be a key piece in the puzzle of what happened to their missing mother.