An Email Is Headed
Your Way

We've sent a message
so you can pick a new password.

Reset Your Password

Think of a password that is at least 6 characters long.

Success! You now have a new password.

Please be sure to memorize it or write it in a safe place.


Are you sure you want to exit?
Your password will not be reset!



Are you sure you don't want to finish?
You're almost done!

We are missing your email address.

Please enter your or your parent's email address. We will only use your email address to reset your password should you forget it.

Sign Up for Free E-Newsletters


You're Signed up for {{nlctrl.form.newsletters.join(',')}}

The next newsletter will arrive in your inbox within a few weeks.

hey, {{userData.username}}!

Edit Your Profile


You can only put stickers
where you see the dotted



You have to sign in,

g Go Back
Geronimo Stilton - Hunt for the Hundredth Key, The

Geronimo Stilton

Hunt for the Hundredth Key, The

Author: Geronimo Stilton

  • AGES 7 - 10 
  • Genre Fiction
Geronimo, Thea, and Trap are exploring a mysterious old castle built by the founder of New Mouse City! Can they unlock all its rooms and discover its secrets?
EXTRA! EXTRA! Read an entire bonus Geronimo Stilton story after the main adventure: "The Double Cross." Can Geronimo catch a jewel thief while on vacation?

Also Part of This Series