Jeff Jacobson Books

Growth

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When genetically engineered corn that repels all pests spreads a deadly fungal virus that uses its host to kill, the epidemic spreads like wildfire and will not be stopped as it mutates in the smal...

My fellow Americans -

By Jeff Jacobson

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Foodchain

By Jeff Jacobson

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All American Horror of the 21st Century

By Jeff Jacobson, Sarah Langan, Steve Rasnic Tem, Jack Kechum, Thomas Monteleone, F. Paul Wilson, Paul Tremblay, Andy Duncan, David Morrell, Mort Castle

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Growth

By Jeff Jacobson

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The Boy Who Couldn t Fly Straight A Gay Teen Coming of Age Paranormal Adventure about Witches Murder and Gay Teen Love The Broom Closet Series Volume 1

By Jeff Jacobson

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Growth

By Jeff Jacobson

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Buzz Kill

By Jeff Jacobson

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THEY DON’T JUST STING YOU. They lay their eggs in human flesh. They hatch and crawl beneath the skin. Then they grow wings and burst out of the body. A rare species of wasp from the Amazon ju...

Wormfood

By Jeff Jacobson

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Wormfood

By Jeff Jacobson

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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.