Glade B. Curtis Books

Your baby s first year week by week

By Glade B. Curtis

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Your baby's first year week by week

By Glade B. Curtis

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Your Week by Week

By Judith Schuler, Glade B. Curtis

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Your pregnancy week by week

By Glade B. Curtis

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"With millions of copies sold worldwide, Your Pregnancy Week by Week is the established go-to resource for expectant parents time and time again. The book's trademark week-by-week formula helps exp...

Your pregnancy week by week

By Glade B. Curtis

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Your Pregnancy Questions and Answers

By Judith Schuler, Glade B. Curtis

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Your Pregnancy 7E Your Baby 3E Gift Set

By Judith Schuler, Glade B. Curtis

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Your pregnancy week by week

By Glade B. Curtis

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Your Pregnancy for the Father To Be

By Judith Schuler, Glade B. Curtis

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Your Pregnancy After 35

By Judith Schuler, Glade B. Curtis

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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.