Ritter Lawrence S. Books

Tells the story of the Negro Leagues when Andrew "Rube" Foster, the Father of Black Baseball, organized the first Negro League in 1920, to when talented players like Satchel Paige, Josh Gibson, and...

The Glory of Their Times

By Ritter Lawrence S.

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We played the game

By Danny Peary, Ritter Lawrence S., Brooks Robinson

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A look inside the game of baseball from the dugout to the field manager's office by the men who made it all happen. Covering the years from 1947 to 1964, more than sixty players, from Hall of Famer...

The Babe

By Ritter Lawrence S.

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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.