Paula M Block Books

Star Trek Pop-Ups

By Courtney Watson McCarthy, Terry J Erdmann, Paula M Block, Paula M. Block, Terry J. Erdmann, Block, Paula M. & Erdmann, Terry J.

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A legendary sci-fi epic as you've never seen it before--including the Klingon Bird of Prey, the Bride of Chaotica, and the Enterprise herself, all literally bursting off the page. Star Trek is...

Strange New Worlds I

By Dean Wesley Smith

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The Secrets of Star Trek: Insurrection

By Terry J. Erdmann, Paula M. Block, Terry Erdmann

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Star Trek action!

By Terry J. Erdmann

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Star Trek

By John J. Ordover, Paula M. Block, Elisa J. Kassin, Dean Wesley Smith

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Star Trek 101

By Terry J. Erdmann

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Labyrinth

By Terry J Erdmann, Paula M Block

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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.