Ellen Labrecque Books

Who Is Travis Kelce?

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How did a young boy who played three sports become a two-time Super Bowl champion? Find out in this exciting Who HQ Now book about one of America's favorite football players.Travis Kelce was born a...

Who Is Shaquille O'Neal?

By Ellen Labrecque

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NBA champion, sports analyst, and successful businessman Shaquille O'Neal is a lively and entertaining addition to the #1 New York Times Bestselling Series!Shaquille O'Neal discovered his love of b...

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.