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Cotton Malone · Book 7

The Jefferson Key

by Steve Berry
Published
1 January 2011
Pages
456
ISBN-13
9780345505514
Type
novel
Buy on Amazon All Cotton Malone books in order
Cover of The Jefferson Key

About this book

The Jefferson Key came out in 2011 at 456 pages, a novel by Steve Berry. It holds position #7 in Cotton Malone. It sits between The Emperor's Tomb and The Admiral's Mark.

Key facts about The Jefferson Key

The Jefferson Key is a novel by Steve Berry. Readers have had it since 2011. It runs to 456 pages.

Our list holds 3 editions of The Jefferson Key. Since each edition has its own ISBN, search for 9780345505514 to find the main one.

The Jefferson Key is book 7 of 23 in the Cotton Malone series. The series has 23 published books. However, the series starts with The Templar Legacy (2006). The Devil's Bible is the latest book in the series with a full release date, out on 17 February 2026.

Additionally, Steve Berry writes Cassiopeia Vitt Adventure as a separate series. Those series sit on our thriller and historical thriller shelves. Meanwhile, The Devil's Bible is the latest published Steve Berry book on file, from 17 February 2026.

About Steve Berry

Steve Berry is an American author of historical conspiracy thrillers, best known for the long-running Cotton Malone series, which follows a former U.S. Justice Department operative turned rare-book dealer in Copenhagen who is repeatedly drawn into international plots hinging on real historical mysteries and lost artifacts. See every Steve Berry book in order.

Its place in Cotton Malone

The Jefferson Key is book 7 in the Cotton Malone series. It follows The Emperor's Tomb. It is followed by The Admiral's Mark. See the full Cotton Malone reading order.

Cotton Malone is a former Justice Department covert operative (a 'Magellan Billet' agent) who retired to run an old bookshop in Copenhagen, only to keep getting pulled back into the field by his old boss Stephanie Nelle. Each novel sends him chasing a real historical mystery or lost treasure — the Knights Templar, the Library of Alexandria, Charlemagne's tomb, the Romanov dynasty, the Nazi underground, the founding-era secrets of the U.S. Constitution — and ties it to a present-day conspiracy involving…

Editions

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