HarperPrism Books

The Holy Bible: King James Version

By HarperPrism

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The X Files Postcard Book: Monsters And Mutants

By HarperPrism, Ben Mezrich

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X-Files Postcard Book: Unexplained Phenomena

By BEN, Jane Hamilton, HarperPrism, Ben Mezrich, Ben Mezrich; Harperprism, HarperPrism Mezrich

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An all-new collection of 30 full-color images capturing the strange events and aberrant happenings that have haunted and captivated the millions of fans of the dramatic series.

Alien Resurrection Postcard Book: 30 Collectible Images

By HarperPrism

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Xena: Warrior Princess: Postcard Book

By HarperPrism, Universal Studios, Derek Walls

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For fans of every age, here are 30 full-color action-packed scenes from the Universal #1 syndicated television show starring Lucy Lawless and Renee O'Connor. Relive your favorite moments from the o...

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.