A 12-part mystery told through real letters — delivered one at a time to girls who love secrets, clues, and getting mail addressed just to them.



A giftable reading experience that unfolds one letter at a time — designed to be saved, reread, and remembered.
Choose Season One and your reader becomes part of Olive Greene's unfolding mystery.
Each delivery includes a beautifully printed story letter and clue-style details designed to feel personal, collectible, and worth waiting for.
Every letter reveals more of the story — secrets, questions, suspects, and discoveries that pull the reader deeper into Olive's world.

Olive Greene is twelve, curious, funny, and stuck spending afternoons at her grandmother's antique shop, The Knick Knack Shack. When an old red mailbox arrives at the shop, Olive finds letters hidden inside — all addressed to someone with her exact name.
The more Olive investigates, the stranger the mystery becomes. The letters point to an old farm, a stationery shop, a name no one seems able to explain, and someone who may have been waiting years for the truth to be found.
Reserve Season OneI couldn’t resist.
I wrapped my fingers around the metal handle and twisted.
Nothing happened.
I tried again.
Still nothing.
Then my thumb brushed the underside of the handle.
Click.
I froze.
Very slowly, I pulled open the little door. It was rusted and barely moved, but I could see inside.
Letters.
Not one or two.
Dozens.
I pulled one out by the corner.
The envelope was dry. Crisp. A little yellowed from age. Still sealed.
And weirdly, I could swear I smelled the faintest hint of lavender.
I flipped it over.
Written across the front, in dark green ink, were the words:
To: Olive Greene
My name.
My full name.

Season One: The Olive Greene Mystery is a complete 12-letter story experience delivered through real mail, one letter at a time.
A complete 12-letter story-by-mail experience — from first clue to final reveal.
First Run pricing is available for a limited number of early readers.
Limited first run available while we prepare the official OllyPost launch.
We're launching OllyPost carefully, with a limited first group of readers so we can make sure the story, packaging, and delivery experience feel as special in real life as they do on the page.
First Run pricing is available for a limited number of early readers.
Join the Early Reader ListEarly readers may be invited to receive preview letters and share feedback before the full public launch.
Each OllyPost delivery is designed to feel like an event — not just a package.

Printed on warm parchment paper, written in Olive's unmistakable voice, sealed with an OllyPost wax seal. Beautiful enough to keep forever.
Each delivery includes clue cards that put your reader in the middle of the mystery — evidence to sort, questions to consider, theories to form.
Selected letters include physical artifacts from Olive's investigation — a map, a clipping, a sketch. Tactile, surprising, collectible.
A brief note for the gift-giver. What just arrived, what's coming next, and how to make the most of the experience together.
Delivered in a beautiful kraft paper outer envelope stamped with the OllyPost seal. The unboxing is part of the magic.
No apps. No logins. No notifications. Just a letter, a reader, and a story that arrives in the real world.
Join the Early Reader List for launch updates, preview opportunities, and first access to Season One.
No spam. Just launch updates, story previews, and early access.