Lang, Gregory E. Books

Why My Heart Still Skips A Beat: 100 Reasons

By Gregory E. Lang, Grégory Lang, LANG, Gregory E., Lang, Gregory E.

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Why I Loved You Then-Why I Still Love You NowWe all search for the person who will complete us, the one who will fill our hearts with joy. Once we find this person, falling in love is easy-but stay...

Why A Son Needs A Mom

By Grégory Lang, Gregory E. Lang, Lang, Gregory E.

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The perfect gift for a boy's lifelong fan, this mini edition of NYT bestselling author Greg Lang's classic, Why a Son Needs a Mom will bring together mothers and sons everywhere. GREGORY E. LANG is...

Why I Love Grandma: 100 Reasons

By Gregory E. Lang, Grégory Lang, Lang Meagan, Lang, Gregory E.

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Your First Best Friend Nobody can possibly take Grandpa's place in our lives. He shares a lifetime of wisdom with us and passes on a wealth of our family history. He tells us the real stories about...

Why I Love Grandpa: 100 Reasons

By Grégory Lang, Gregory, LANG, Gregory E. Lang, Lang Meagan, Lang, Gregory E.

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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.