Joan DeClaire Books

The Relationship Cure

By John Mordechai Gottman, Joan DeClaire, John M. Gottman Ph.D.

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From the country’s foremost relationship expert and New York Times bestselling author Dr. John M. Gottman comes a powerful, simple five-step program, based on twenty years of innovative rese...

Heart of Parenting

By John Mordechai Gottman, Joan DeClaire

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Heart of Parenting

By John Mordechai Gottman, Joan DeClaire

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Ten Lessons to Transform Your Marriage

By Joan DeClaire, John M. Gottman Ph.D. Julie Schwartz Gottman Ph.D.

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In Ten Lessons to Transform Your Marriage, marital psychologists John and Julie Gottman provide vital tools—scientifically based and empirically verified—that you can use to regain...

Enlightened Aging

By Joan DeClaire, Eric B. Larson

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Kinder brauchen emotionale Intelligenz. Ein Praxisbuch fur Eltern.

By John Mordechai Gottman, Joan DeClaire

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The Relationship Cure

By Joan DeClaire, John M. Gottman Ph.D.

Average: 0.00, 0 Ratings

From the country’s foremost relationship expert and New York Times bestselling author Dr. John M. Gottman comes a powerful, simple five-step program, based on twenty years of innovative rese...

Ten Lessons to Transform Your Marriage

By Joan DeClaire, John M. Gottman Ph.D. Julie Schwartz Gottman Ph.D.

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In Ten Lessons to Transform Your Marriage, marital psychologists John and Julie Gottman provide vital tools—scientifically based and empirically verified—that you can use to regain...

The Relationship Cure

By Joan DeClaire, John M. Gottman Ph.D.

Average: 0.00, 0 Ratings

A groundbreaking, practical program for transforming troubled relationships into positive ones“This is the best book on relationships I have ever read. . . . John Gottman has decoded the subt...

Ten Lessons To Transform Your Marriage

By Joan DeClaire, John M. Gottman Ph.D. Julie Schwartz Gottman Ph.D.

Average: 0.00, 0 Ratings

In Ten Lessons to Transform Your Marriage, marital psychologists John and Julie Gottman provide vital tools—scientifically based and empirically verified—that you can use to regain...

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.