Katherine Erlich Books

Super nutrition for babies

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"There is a better way to feed your baby. Super Nutrition for Babies gives parents the latest science-verified nutritional recommendations for feeding their child. Based on a program used at one of...

Super Nutrition for Babies Revised Edition

By Katherine Erlich, Kelly Genzlinger

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101 DIY Baby Food Pouches

By Anni Daulter, Katherine Erlich, Kawn Al Jabbouri, Kelly Genzlinger

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Super Nutrition for Babies

By Katherine Erlich, David Brownstein, Kelly Genzlinger

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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.