Leonard Levin Books

Ocular Neuroprotection

By Levin Di Polo

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EasyScript Express

By Leonard Levin

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Studies in Judaism and Pluralism

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Eliezer Schweid

By Hava Tirosh Samuelson

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"This volume features Eliezer Schweid's philosophy of Judaism for a secular age. The volume brings together four of Schweid's most original and influential philosophical essays and an interview wit...

Eliezer Schweid

By Hava Tirosh Samuelson

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Eliezer Schweid

By Hava Tirosh Samuelson

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Ocular Neuroprotection

By Adriana Di Polo, Leonard A. Levin

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Base Ball Founders

By William J. Ryczek, Leonard Levin, Peter Morris, Richard Malatzky, Jan Finkel

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"Base Ball Founders completes the series of histories of the clubs and players responsible for making baseball the national pastime. More than 40 clubs and hundreds of pioneer players are profiled...

Base ball pioneers 1850 1870

By Morris Peter

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"In this welcome work, leading historians of early baseball provide profiles of more than fifty clubs and their players. Engaging narratives bring these long-ago clubs back to life, stimulating mor...

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.