Dick Malmgren Books

The Complete Sabrina the Teenage Witch: 1962-1971

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It's back to the beginning with Sabrina in this first of a new series compiling the entire history of everyone's favorite Teenage Witch! This black and white graphic novel chronologically collects...

The Best of Archie Comics Book 4

By Archie Superstars

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Celebrate everything Archie with this fun, full-color collection!Contains over 400 pages of classic, much-loved comic book stories—you’ll be entertained beyond belief!Continuing the imm...

Archie's Big Book Vol. 3

By Archie Superstars

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ARCHIE'S BIG BOOK VOL. 3 is the latest of an all-new series of deluxe softcovers featuring the classic Archie stories in-and-out of Riverdale. A value at $19.99, this comic-trim-sized collection is...

Golf Nuts Activity Book

By Dick Malmgren

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Unusual Tales

By Joe Gill, Charles Nicholas, Dick Malmgren, Dick Giordano, Steve Ditko

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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.