Billy Aronson Books

"This series provides comprehensive information on the presidents of the United States and places each within his historical and cultural context. It also explores the formative events of his times...

Ulysses S. Grant Presidents and Their Times

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Peg Cat

By Jennifer Oxley, Billy Aronson

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Peg Cat: The Penguin Problem

By Jennifer Oxley, Billy Aronson

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Skiing past hurdles can be a problem when you don’t know your over, under, and in between. Peg and Cat to the rescue!Peg and Cat are at the South Pole preparing to watch the ski race at the A...

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.