David J. L. Gibbins Books

Pharaoh

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Perfect for fans of Clive Cussler and Dan Brown, Pharaoh is a pulse-pounding new adventure starring intrepid marine archaeologist Jack Howard, on the trail of a shattering revelation about an ancie...

Pyramid

By David J. L. Gibbins

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Perfect for fans of Clive Cussler and Dan Brown, Pyramid is a thrilling new adventure starring fearless marine archaeologist Jack Howard, in a heart-stopping quest to uncover an ancient Egyptian se...

Crusader Gold

By David Gibbins

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From the fall of the Roman Empire to the last days of Nazi power, marine archaeologist Jack Howard and his team of adventurers are hot on the trail of history’s most elusive and desired treasure: t...

Atlantis

By David J. L. Gibbins, David Gibbins

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From an extraordinary discovery in a remote desert oasis to a desperate race against time in the ocean depths, a team of adventurers is about to find the truth behind the most baffling legend in hi...

The Lost Tomb

By David J. L. Gibbins, David Gibbins

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For centuries, people have speculated about the fabled lost libraries of antiquity. If one were found, what marvels would it contain? Now a fearless team of adventurers is about to unearth that lon...

The Tiger Warrior

By David J. L. Gibbins

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Two ancient cultures, a lost treasure from the distant past: what powerful secrets does it conceal—and how far will some go to possess them? Dive into a new full-throttle hunt from master of the ac...

The last gospel

By David J. L. Gibbins

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When Jack Howard and his best friend Costas are interrupted during a dive off the coast of Sicily that might possibly reveal the final journey of St Paul, they have no idea what lies in store. Thei...

The tiger warrior

By David J. L. Gibbins

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1879, Lieutenant John Howard of the Royal Engineers witnesses something unspeakable in the Indian jungle and years later disappears. Present day, Marine archaeologist Jack Howard uncovers something...

Atlantis

By David Gibbins

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Atlantis

By David Gibbins

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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.