a shadowy figure walks past the Berlin Wall in 1961

The Berlin Exchange

A Dangerous Game Begins With One Letter.


Berlin, 1961. Shadows move faster than light. Receive your first letter in the mail and step into a web of secrets, betrayals, and coded messages.

No subscription required.

Try out the first letter for just $7.99

Free shipping. No Subscription required.

Full money-back guarantee.

Berlin, 1961

The wall is new and the city is divided.

Codename: Sable.
Her mission: Deliver the package. But in a city where loyalty shifts with the wind, nothing is ever simple.

What You'll Receive

  • A real, vintage-style letter mailed to your door
  • The opening move in a 12-month Cold War spy story
  • Optional upgrade to the full-year experience

How It Works

It's not just a story. It's the historical romance that unfolds in real time as letters are delivered to your mailbox.

Start with the first letter - $7.99

Free shipping. No subscription required.

Check the mailbox

Open the letter and step into Sable's world

Love it? Upgrade to the full series.

Apply your purchase price to the year-long series.

Why readers love it

“The physical letters make it so much more immersive.”

“I actually look forward to checking the mail again.”

“It feels like a story I’ve stumbled into… not just read.”
simplify and make the box of the truck look like an envelope

Free U.S. Shipping

No extra postage charges
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Real Mail. Real Paper.

Delivered to your mailbox via USPS
a hand with a black glove holds a white envelope

Order your first letter today.

Berlin won't stay quiet forever.

Try out the first letter for just $7.99. If you love it, you can apply the purchase price to upgrade to the full series later.

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