Kevin Leman Books

Be the Dad She Needs You to Be

By Kevin Leman

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Be the Dad She Needs You to Be

By Kevin Leman

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Making Sense of the Men in Your Life

By Kevin Leman

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Have a new kid by Friday participant s guide

By Kevin Leman

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Primary Decision

By Kevin Leman, Jeff Nesbit

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A perfect ambition

By Kevin Leman

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"The firstborn son of the powerful Worthington family has been groomed for political power since his first breath. Will family secrets keep him from getting there?" --

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.