Greg Critser Books

Skinny Habits

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Bob Harper lets us in on the secret behaviors of people who not only lose weight but keep the pounds off for good—and make it look easy.   In Bob Harper’s #1 New York Times bestsel...

National Geographic traveler

By Greg Critser

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This book is a description and travel guidebook of California, United States. It will assist travellers with their itinerary and plans.

Californie

By Barbara A Noe

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Mix the latest and most rigorous scientific research, irrepressible old-fashioned entrepreneurship, and the ancient human desire to live forever (or at least a lot longer) and the result is today’s...

The Skinny Rules

By Bob Harper

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THE LAST DIET BOOK YOU’LL EVER NEED With so much conflicting weight-loss advice out there to confuse your efforts, it’s no wonder you haven’t been successful losing weight and keeping it off. But...

The Skinny Rules

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Jumpstart to Skinny

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#1 NEW YORK TIMES BESTSELLER • LOSE UP TO 20 POUNDS IN 21 DAYS!In The Skinny Rules, celebrity trainer and coach of NBC’s The Biggest Loser Bob Harper delivers the ultimate strategy for healthy, lon...

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.