Eric Elfman Books

I Am the Walrus

By Eric Elfman, Neal Shusterman

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Tesla's attic

By Neal Shusterman

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"With a plot combining science and the supernatural, four kids are caught up in a dangerous plan concocted by the eccentric inventor, Nikola Tesla"-- After their home burns down, Nick, his younger...

Edison s Alley

By Neal Shusterman

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The Accelerati Trilogy Book Three Hawking s Hallway

By Neal Shusterman

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Tesla s attic

By Neal Shusterman

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"With a plot combining science and the supernatural, four kids are caught up in a dangerous plan concocted by the eccentric inventor, Nikola Tesla"-- After their home burns down, Nick, his younger...

Edison s alley

By Neal Shusterman

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Both Nick and the Accelerati have learned that the strange objects Nikola Tesla left in Nick's attic are pieces of a Far Range Energy Emitter, capable of transmitting "free energy" to the globe. So...

More three-minute thrillers

By Eric Elfman

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Thirty very short horror stories.

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.