Nicholas Knight Books

A Course in Quantitative Chemical Analysis

By Nicholas Knight

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Supernatural

By Nicholas Knight

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Supernatural: The Official Companion Season 7

By Nicholas Knight

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The hit show from the producers of The O.C. and The X-Files, starring Jared Padalecki and Jensen Ackles, continues its spooky road-trip through the dark heart of America.This official companion is...

The Essential Supernatural

By Nicholas Knight

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Supernatural: The Official Companion Season 1

By Nicholas Knight

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Supernatural is the cult CW show from the producers of The O.C. and The X-FiIes, starring Jared Padalecki (Gilmore Girls) and Jensen Ackles (Smallville). Prepare for a spooky roadtrip through the d...

Supernatural: The Official Companion Season 2

By Nicholas Knight

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The cult show from the producers of The O.C. and The X-Files, starring Jared Padalecki (Gilmore Girls) and Jensen Ackles (Smallville), takes you on a spooky roadtrip through the dark heart of Ameri...

Supernatural: The Official Companion Season 3

By Nicholas Knight

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Supernatural, the hit show from The CW, continued to garner critical praise and attract an ever-increasing legion of fans as it ramped up the scares and tension in the explosive and electrifying th...

Rom Zom Com

By Frank Dutkiewicz, Nick A Zaino III, Nicholas Knight, Anthony Ferguson, Martin Hill Ortiz, Holly Quinn, Christine Morgan, Bear Weiter, Ted Wenskus, Mellissa Black

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Course in Quantitative Chemical Analysis

By Nicholas Knight

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Course in Quantitative Chemical Analysis

By Nicholas Knight

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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.