Gwynne Vevers Books

Animals that store food

By Gwynne Vevers

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Describes the habits of ten different animals that store food, including hamsters, leopards, honey ants, and moles.

Animals of the dark

By Gwynne Vevers

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Describes the habits of animals that sleep during the day and search for food at night, including bats, bushbabies, moths, moles, owls, and hyenas.

Animals that travel

By Gwynne Vevers

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Briefly describes some of the wide variety of animals which travel back and forth each year between two distant parts of the world. Includes swallows, Monarch butterflies, and Atlantic salmon.

Animal cleaners.

By Gwynne Vevers

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Animal Partners Bodley Head Young Naturalist

By Gwynne Vevers

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Your Body

By Gwynne Vevers

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Reproduction

By Gwynne Vevers

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Seeing Hearing and Tasting

By Gwynne Vevers

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The complete home aquarium

By Gwynne Vevers

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The pocket guide to aquarium fishes

By Henry Gwynne Vevers, Gwynne Vevers

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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.