Erika Landau Books

Courage to Be Gifted

By Erika Landau, Landau

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The essential guide to baby s first year

By Erika Landau

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Offers tips and advice on caring for an infant from birth to his or her first birthday.

The Essential Guide to Baby's First Year

By Erika Landau M.D., Abigail Brenner M.D.

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The Essential Guide to Baby's First Year offers new parents a clear, comforting companion devoid of the "musts" and "shoulds" that abound in other new baby books. Rather than focusing on rigid guid...

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.