Steve Haefele Books

Laugh and learn with fun facts about dinosaurs like Tyrannosaurus rex, Apatosaurus, Triceratops, and more—all told in Dr. Seuss’s beloved rhyming style and starring The Cat in the...

The Cat in the Hat's Learning Library Boxed Set

By Tish Rabe, Bonnie Worth, Steve Haefele, Joe Mathieu, Aristides Ruiz

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Foster a love of reading and learning with Dr. Seuss's the Cat in the Hat in this collection of 10 rhyming non-fiction books about dinosaurs, the solar system, sharks and much more! Perfect fo...

Bangs And Twangs

By Vicki Cobb, Steve Haefele

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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.