Peter Angelo Simon Books

Big Apple Circus

By Peter Angelo Simon

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Muhammad Ali: Fighter'S Heaven 1974

By Barbara Pyle, D. A. Pennebaker, Peter Angelo Simon

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In this previously unpublished photo-essay, the legendary boxer Muhammed Ali is captured up close and unguarded in the run-up to the "Rumble in the Jungle"In October 1974, Muhammad Ali attempted to...

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.