Jack Campbell Books

The Lost Fleet: Fearless

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Captain John “Black Jack” Geary tries a desperate gamble to lead the Alliance Fleet home through enemy-occupied space in this novel in the thrilling Lost Fleet series.Geary is convinced that the Sy...

The Lost Fleet: Courageous

By Jack Campbell

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The Lost Fleet continues its perilous journey home. Badly damaged and low on supplies, the Alliance Fleet is raiding Syndic mines for raw materials-and Captain "Black Jack" Geary hopes they can co...

The Lost Fleet: Relentless

By Jack Campbell

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Captain John “Black Jack” Geary races to save a group of Alliance POWs from certain death in this gripping novel in New York Times bestselling author Jack Campbell's Lost Fleet series. Alliance p...

The Lost Fleet: Victorious

By Jack Campbell

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The Lost Fleet: Relentless found its way onto the New York Times bestseller list... Now Victorious leads the charge again-and "Black Jack" Geary is in command... As war continues to rage betwee...

Beyond the frontier

By Jack Campbell

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"The Alliance woke Captain John "Black Jack" Geary from cryogenic sleep to take command of the fleet in the century-long conflict against the Syndicate Worlds. Now Admiral Geary's victory has earne...

Fearless

By Jack Campbell

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Lost Fleet Courageous

By Jack Campbell

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Relentless

By Jack Campbell

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The lost fleet

By Jack Campbell

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Lost Fleet

By Jack Campbell

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.