The Codebreaking Club vs Letters on Science & Innovation
Side-by-side comparison of two snail mail subscription clubs.
The Codebreaking Club
Encrypted dispatches from history's greatest spies and codebreakers
Rating:4.8/5
(89 reviews)
Price
From $14/mo — Add-on available for Federalist Papers subscribers at $49.99
Frequency
Weekly
Ships
Worldwide
Country
US
Weekly letters and encoded dispatches from history's most famous intelligence operations - complete with cipher keys and the stories behind the codes.
The Codebreaking Club from Letterjoy explores the history of cryptography through the letters and dispatches of real spies, codebreakers, and intelligence operatives. Each week's mailing includes a letter or dispatch, often partially encoded, along with a cipher key and the historical context of the operation it came from. It covers figures from the Bletchley Park codebreakers to Civil War spies to Cold War intelligence officers.
Letters from the scientists who changed everything
Rating:4.8/5
(74 reviews)
Price
$129 one-time — One-time purchase from the Letterjoy vault.
Frequency
Weekly (until complete)
Ships
Worldwide
Country
US
Weekly letters from Marie Curie, Einstein, Darwin, Tesla, and other scientific giants - reproduced on parchment with context about the discoveries they were making.
Letterjoy's Science and Innovation collection brings subscribers into the private correspondence of the scientists, inventors, and entrepreneurs who shaped the modern world. Each week's letter comes from a figure like Marie Curie, Nikola Tesla, Charles Darwin, or Henry Bessemer, reproduced on parchment with editorial notes about the discovery or invention being discussed. A wonderful subscription for science lovers and anyone curious about how the modern world was built.