Mike Malloy Books

Lee Van Cleef: A Biographical, Film And Television Reference

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Cult film star Lee Van Cleef began his movie career in Hollywood, appearing as evil-eyed villains in such 1950s and 60s Westerns as High Noon, Gunfight at the O.K. Corral and How the West was Won....

Butterfly Gardening Made Easy for Southwest Florida

By Mike Malloy

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Malloy's GMDSS A Technical Approach

By Mike Malloy

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Louisiana Inklings

By D Wanna Hanes, Charles Gramlich, Alvin Burstein, Linda Schenck, Eve Brouwer

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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.