Willard Mullin Books

The new junior illustrated encyclopedia of sports

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Summarizes the histories of all major sports, including information about important milestones, outstanding athletes, and national and world records in each field.

Willard Mullins Golden Age Of Baseball

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Willard Mullin s Casey at the Bat and Other Diamond Tales

By Michael Powers, Yogi Berra, Willard Mullin, Ernest Lawrence Thayer

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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.