Matthew J. Gilbert Books

"The ruthless martial arts master Shredder has an evil plan to defeat Splinter and destroy the Teenage Mutant NInja Turtles. Can he be stopped?"--Page 4 of cover.

Hawkins Middle School Yearbook Hawkins High School Yearbook (Stranger Things)

By Matthew J. Gilbert

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Two Hawkins yearbooks in one--based on the Netflix series Stranger Things!Based on Netflix's Stranger Things, this vintage '80s yearbook is really two books in one. First, visit the middle school i...

Stranger Things 2. Anuario 1985

By Matthew J. Gilbert

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KsiAga pamiAtkowa Gimnazjum liceum Hawkins 1985 Matthew J. Gilbert KSIALtKA

By Matthew J. Gilbert

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Jak przetrwaA w Lwiecie Stranger Things Matthew J. Gilbert KSIALtKA

By Matthew J. Gilbert

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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.