Gini Holland Books

Heinemann Profiles Pack E of Five

By Hayden Middleton, Janet Riehecky, Theresa Dowswell, Andrew Langley, Gini Holland

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Nelson Mandela First Biographies Raintree Paperback

By Gina Holland, Gini Holland

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Nelson Mandela First Biographies Raintree Paperback

By Gini Holland

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Nuclear energy

By Gini Holland

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Discusses the history, sources, and uses of nuclear energy and examines its dangers and its possible future.

Telephones

By Gini Holland

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Provides a history of the telephone and telecommunications, including technical aspects and important inventors.

Photography

By Gini Holland

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Describes the photographic process and the development of photography from early simple cameras through various technological advances to modern links with computers.

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.