Julie Schwartz Gottman Ph.D. Books

Eight Dates

By Rachel Carlton Abrams M.D., Doug Abrams, Julie Schwartz Gottman, John Mordechai Gottman

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The Man's Guide to Women

By John Gottman Julie Schwartz Gottman Doug Abrams Rachel Carlton Abrams

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A must-have playbook for how to play—and win—the game of love, from the New York Times bestselling authors of Fight Right and The Seven Principles “If you want to learn how to be...

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.