It all started when my sister, Thea, discovered a mysterious map. It showed a secret treasure on a faraway island. And before I could let out a squeak of protest, Thea dragged me into her treasure hunt! In no time at all, we'd set sail for the island. It was an adventure I'd never forget....

Geronimo travels to Egypt to interview Professor Alrat Spitfur and learns the secret of the Seven Wonders of the Ancient Mouse World.

Geronimo explores a haunted mansion populated by ghosts.

Mouse journalist Geronimo Stilton sets out in a hot-air balloon to find a legendary island covered in silver only to be attacked by a ship of pirate cats.

After winning a basketball reporting contest, eighth graders Stevie and Susan Carol are sent to cover the Final Four tournament, where they discover that a talented player is being blackmailed into throwing the final game. Steven Thomas is one of two lucky winners of the U.S. Basketball Writer's Association's contest for aspiring journalists. His prize? A trip to New Orleans and a coveted press pass for the Final Four. It's a basketball junkie's dream...

While serving as co-editors of their school newspaper, middle-schoolers Adam and Jennifer uncover fraud and corruption in their school and in the city's government.

Scary costumes? Spooky parties? Nobody dislikes Halloween more than Geronimo. But when he is given twenty-four hours to write a spooktacular Halloween book, Geronimo must journey to Creepella von Cacklefur's chilling house to research the worst holiday of the year. Will this 'fraidy mouse survive Halloween and will he get his book written in time?

A much-welcomed snow day turns into an embarrassing nightmare for middle-grader Adam Canfield when, after being mugged by high school bullies for his snow-shoveling money, he becomes the focus of major media attention just as his co-editors at The Slash are launching a contest to out bullies at their school.

"In this fabumouse adventure, the Thea Sisters head to Alaska, where they're attending a conference held by an important ecological association. Their host and his family are native Alaskans, who show the mouselings their favorite games and activities. But soon there's trouble - the Thea Sisters discover that someone is upsetting the ecosystem by blowing up the ice with explosives! Can the Thea Sisters figure out what's going on and save the day?"...

When Geronimo agrees to be a caddie for his grandfather in a golf tournament, he and Special Agent OOK team up to prevent the theft of the Super Mouse Cup.