Gene Doucette Books

The Apocalypse Seven

By Gene Doucette

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Two Suns at Sunset

By Gene Doucette

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The Other Worst Case Scenario Survival Handbook

By Gene Doucette

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The spaceship next door

By Gene Doucette

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Three years after a spaceship landed in Sorrow Falls, Massachusetts, a government operative comes to investigate and finds that Annie Collins, sixteen, might have the answers he seeks.

The Spaceship Next Door

By Gene Doucette

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The Spaceship Next Door

By Gene Doucette

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Immortal

By Gene Doucette

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Hellenic Immortal

By Gene Doucette

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Fixer

By Gene Doucette

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Immortal and the Island of Impossible Things The Immortal Series Volume 4

By Gene Doucette

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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.