Lennie Herman Books

Star Comics Allstar Collection

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Star Comics Vol. 2

By Lennie Herman, Ben Brown, Bob Bolling, Stan Kay, Angelo DeCesare

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Star Comics Allstar Collection

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STAR COMICS: TOP DOG - THE COMPLETE COLLECTION VOL. 1

By David Manak

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Collects Top Dog (1985) #1-14. He's the world's smartest, funniest - and talking-est - dog! That's right, Top Dog can talk - but don't tell anyone! One of the biggest names in Marvel's 1980s Star...

Planet Terry

By Trina Robbins, Lennie Herman, Warren Kremer, Stan Kay, David Manak

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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.