Alison Mackonochie Books

Baby sign language

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Give your child a head start with baby sign language. Based on simple signs and gestures that are easy for your baby to understand and use baby sign language gives you and your child the tools you...

Baby Sign Language

By Alison Mackonochie

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Baby Sign Language

By Alison Mackonochie

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Pee, poop, and potty training

By Alison Mackonochie

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Your pregnancy

By Alison Mackonochie

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The Complete Book of Pregnancy and Baby Care

By Alison Mackonochie

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Your pregnancy

By Alison Mackonochie

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Your Pregnancy

By Alison Mackonochie

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The complete guide to baby's first year.

By Alison Mackonochie

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The New Guide to Babycare

By Alison Mackonochie

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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.