The Thea Sisters are five fun, lively students at Mouseford Academy on Whale Island, who want to be real, live journalists, just like their hero, Thea Stilton. Between classes, friendships, crushes, and some bizarre mysteries to solve, they find life to be a never-ending adventure!

A new, exclusive surfing club has just opened on Windy Island. Residents know that the island is famous for its sudden storms... but their warnings fall on deaf ears until a giant wave hits.

Great news for the Mouseford Academy students! Top Direction, one of the most popular bands for teenagers, is going to perform on Whale Island! And they have decided that the opening act will be chosen among the best bands Mouseford Academy has to offer! Students have two weeks to write a song, and then Top Direction will pick the winner. The Thea Sisters have to win, but someone is trying to sabotage their performance. The Sisters must work together to find their sound, write a great song, and put on the performance of their lives.

It's election time at Mouseford Academy and the candidates from the Lizard and Gecko student clubs face some challenges if they want to get elected president. Certainly not helping matters is the arrival of a mysterious black ship off the shores of the island . . . and it's trying to pollute the beach! The girls must use all their investigative skills to root out the connection between the ship and the campaign. The fates of the election and their beautiful island home is at stake!

Praise for The Sewer Rat Stink:"Fresh, funny, and fast-paced. The free-style artwork and anything-goes story will make kids want to write and draw their own books!" -Dav PilkeyThis is Geronimo Stilton like you've never seen him before! A stinky smell is taking over New Mouse City! No mouse can live like this! Geronimo and his best friend Hercule, the private detective, head underground into the sewer world of Mouse Island to investigate. Can they save the city from the stench?This is all-new Geronimo Stilton as interpreted by author, artist, and longtime fan Tom Angleberger. Tom is a New York Times, USA Today, and Wall Street Journal bestselling author.

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!In this exciting adventure, the Thea Sisters are off to Paris to visit Colette's fashion-designer friend Julie. But when Julie's designs are suddenly stolen, the girls must search the city of Paris to catch the thief and save the fashion show. Readers will love following the clues to help the Thea Sisters solve the mystery!

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!Thea's friends the Thea Sisters take off for Australia to solve a mystery. A flock of sheep at Nicky's family's ranch is losing all its wool, and the ranch depends on the wool to stay afloat! Maybe the sheep's cure lies in an Aboriginal medicine containing a strange root. The five mouselings set off on a tour of the whole country to find out. It's a truly memorable outback adventure!