David Wellington Books

Den of Thieves

By David Wellington

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Den of thieves

By David Wellington

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Chimera: A Jim Chapel Mission

By David Wellington

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Afghanistan veteran Jim Chapel has been enlisted in a new war. This time it's in his own backyard and even more deadly. A small band of fugitives escapes from a secret upstate New York military fac...

The Hydra protocol

By David Wellington

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After a Russian agent named Nadia shares shocking intel about HYDRA with Special Forces veteran Jim Chapel, he races against time to disarm this forgotten and unstable Cold War supercomputer before...

The Cyclops Initiative

By David Wellington

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Positive

By David Wellington

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"Anyone can be positive. Acclaimed author David Wellington delivers his most ambitious, breakout novel yet a huge zombie novel in the bestselling vein of Guillermo Del Toro and Justin Cronin"--

Positive

By David Wellington

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"Anyone can be positive. Acclaimed author David Wellington delivers his most ambitious, breakout novel yet a huge zombie novel in the bestselling vein of Guillermo Del Toro and Justin Cronin"--

Positive: A Novel

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The Last Astronaut

By David Wellington

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13 Bullets

By David Wellington, David Wellington, Author Of Monster Island

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All the official reports say they are dead-extinct since the late ’80s, when a fed named Arkeley nailed the last vampire in a fight that nearly killed him. But the evidence proves otherwise. When a...

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.