David Solomons Books

My Brother Is a Superhero

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Behind every great superhero is a very angry younger brother.Luke Parker was just your average comic book fan until his boring, teacher’s pet, helps-old-ladies-across-the-street brother Zack...

My Gym Teacher Is an Alien Overlord

By David Solomons

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When Luke's annoying older brother became a superhero instead of him, Luke thought he couldn't get any more disgruntled-- until his friend Lara became a superhero, too.  Now Luke's feeling tot...

Doctor Who: The Secret in Vault 13

By David Solomons

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In celebration of the first female Doctor Who in history and the new TV series airing October 7, 2018! Bestselling author David Solomons delivers a super smart and vibrant new heroine in an origina...

Doctor Who: The Secret in Vault 13

By David Solomons

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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.