Eli J Finkel Books

The all or nothing marriage

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A psychology professor discusses his recent research into modern marriages and offers practical advice and long-term strategies to pursue self-discovery and personal growth and improve self-esteem...

The All-or-Nothing Marriage

By Eli J. Finkel

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“After years of debate and inquiry, the key to a great marriage remained shrouded in mystery. Until now...”—Carol Dweck, author of Mindset: The New Psychology of Success...

The All-or-Nothing Marriage

By Eli J. Finkel

Average: 0.00, 0 Ratings

“After years of debate and inquiry, the key to a great marriage remained shrouded in mystery. Until now...”—Carol Dweck, author of Mindset: The New Psychology of Success...

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.