Barrie Watts Books

Fly

By Barrie Watts

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In photographs and brief text, examines the life cycle of the greenbottle fly.

24 hours in a forest

By Barrie Watts

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Relates what happens to the plants and animals of the forest during a twenty-four hour period.

Grasshoppers and crickets

By Barrie Watts

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Describes where to find grasshoppers and crickets and how to keep them as pets, feed them, and breed them.

Wood lice and millipedes

By Barrie Watts

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Describes the characteristics and habitats of wood lice and millipedes and discusses how to collect and keep them temporarily for observation.

Stick insects

By Barrie Watts

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Discusses the housing, breeding, feeding, and special needs of stick insects and mantises when kept as pets.

Sunflower

By Barrie Watts

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A simple introduction to how a sunflower grows from seed to flowering plant.

Lao shu

By Barrie Watts

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Photographs and text show the development of a mouse from birth to eight weeks old.

Grasshoppers and Crickets

By Barrie Watts

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Describes where to find grasshoppers and crickets and how to keep them as pets, feed them, and breed them.

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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.