Greg Grunberg Books

Dream Jumper

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"Ben has a gift. He can jump into other people's dreams. So when his classmates start falling victim to an evil dream monster he knows he has to do something. But can he get to them in time? With h...

Nightmare Escape: A Graphic Novel (Dream Jumper 1)

By Greg Grunberg

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Ben's dreams are all nightmares . . . And his nightmares are real!Ben has a problem. When he sleeps he dreams, and when he dreams, they're all nightmares! But he can also jump into other peo...

Curse of the Harvester Dream Jumper Book 2

By Greg Grunberg, Lucas Turnbloom

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Dream Jumper

By Grunberg Greg

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Ben and Jake are back for more! With the Dream Jumper business making them some serious money, all seems to be going great. But Ben is put to the test in a way he never saw coming when a new and fo...

Le Gardien Des R ves

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Dream Jumper

By Grunberg Greg

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Nightmare Escape

By Turnbloom Lucas, Grunberg Greg

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Curse of the Harvester

By Turnbloom Lucas, Grunberg Greg

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Dream Jumper

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Nightmare Escape

By Turnbloom Lucas, Grunberg Greg

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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.