Peter W. Kunhardt Books

Gordon Parks

By Gordon Parks, Peter W. Kunhardt

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Photographs of Abraham Lincoln

By Harold Holzer, Kunhardt Philip III, Peter W. Kunhardt

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Lincoln: A Biography

By Philip B. Kunhardt Jr., Philip B. Kunhardt III, Peter W. Kunhardt

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Lincoln

By Peter W. Kunhardt, Philip B. Kunhardt III Philip B. Kunhardt Jr.

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An audiobook to be treasured by all history buffs: the companion volume to the ABC TV documentary.This remarkable biography presents Abraham Lincoln as we have never before seen him. The insightfu...

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.