Matthew J. Gilbert Books

A collection of terrifying tales from the thrilling world of Netflix’s hit series Stranger Things!Prepare to visit the darkest and most chilling corners of Hawkins. Dustin, Lucas, Max, a...

Hawkins Horrors (Stranger Things)

By Matthew J. Gilbert

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A collection of terrifying tales from the thrilling world of Netflix’s hit series Stranger Things!Prepare to visit the darkest and most chilling corners of Hawkins. Dustin, Lucas, Max, a...

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...

Will Byers: Secret Files (Stranger Things)

By Matthew J. Gilbert

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Will Byers' top-secret binder--based on the Netflix series Stranger Things!Read notes from the Upside Down and uncover secrets from the Hawkins National Laboratory in Will Byers's personal files. B...

How to Survive in a Stranger Things World (Stranger Things)

By Matthew J. Gilbert Illustrated By Random House

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A hardcover gift book featuring wisdom and advice from Netflix's hit series Stranger Things!Does life sometimes seem strange and little upside down? If so, this hardcover collection of wisdom and w...

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.