Mary Holland Books

El primer verano del zorro Fernando Ferdinand Fox s First Summer

By Mary Holland

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Vaccine epidemic

By Louise Kuo Habakus, Mary Holland, Kim Mack Rosenberg

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Argues that vaccines are dangerous and that government mandates violate individual rights, shares stories of people injured by vaccinations, and suggests ways to reform the current American health-...

The beavers' busy year

By Mary Holland

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"Along a stream a dam pops out of the water. Beavers are busy at work! These aquatic mammals have unique traits that aid them in building the perfect lodge to raise young beavers and keep predators...

Animal Legs

By Mary Holland

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Otis the Owl

By Mary Holland

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Las colas de los animales Animal Tails Spanish Edition

By Mary Holland

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Turtles All The Way Down

By Mary Holland J.D., Zoey O Toole

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Milkweed Visitors

By Mary Holland

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Complete Economical Cook and Frugal Housewife

By Mary Holland, University Of Leeds Library

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Complete Economical Cook and Frugal Housewife

By Mary Holland, University Of Leeds Library

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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.