A mystery is waiting at school

The Mystery Behind the Blue Door

The door says Teachers Only. Mason and Lily have heard the rumors. They have seen the glitter. And they are about to discover that some doors lead much farther than anyone expects.

Investigate first ↓
Psst... did you see the light under the door?
The Mystery Behind the Blue Door book cover

Mason & Lily's case notes

Something strange is happening.

Tap the clues they have noticed around school. What would you make of them?

0 of 3 clues examined
CASE FILE / 001Choose a clue to open the case file.

Every mystery starts with someone paying attention.

On the other side

A world no one at school would believe.

Waterfalls. Glowing paths. Doors where you least expect them. The real mystery is how to find your way through it all.

Look around

Explore the impossible

Where would you look first?

Pick a place to uncover a little more of the world behind the door.

FIELD NOTE / 01

The waterfalls

A sparkling cascade tumbles toward the beach. The air smells like sunshine, and everything here seems a little more alive.

Would you follow the river?
The Mystery Behind the Blue Door cover

A new mystery series by Aiden Esley

The Mystery Behind the Blue Door

A school-day mystery filled with questions, friendship, humor, and a secret world worth exploring. Follow Mason and Lily as they discover what is really behind the door marked Teachers Only.

The story is being written. More is coming soon.
Explore Aiden Esley's books