Upcoming Titles

Welcome to the Mariella Mystery Club!

Calling all super-sleuthy kids—girls and boys alike—who have a clue! The Mariella Mystery Club was created to help you learn about new Mariella Mystery books, get the latest news on your favorite young detective and her friends, play cool games and activities, and more!
Games & Other Stuff

Cool mysterious games, activities, coloring pages and more!
Barron's Mariella Mystery Games
Get Your Member Certificate

Show your Mariella Mystery Club ID!
Get your own club certificate and membership card here.

Barron's  Mariella Mystery Club
Mariella Mystery Book Excerpts

Get a sneak-peek at the newest Mariella Mystery books.

The Mystery of the Cursed Poodle The Huge Hair Scare

A Cupcake Conundrum The Ghostly Guinea Pig
Join Our Club

Not a member yet? Joining is quick, easy, and free!