Harriet Graham Books

A fox under my jacket

By Harriet Graham

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The Chinese puzzle

By Harriet Graham

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In London of the 1890s, two children set out to find their guardian who has disappeared along with his friend, a master magician, and find themselves captive in an opium den with very dangerous cha...

A fox under my jacket

By Harriet Graham

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A BOY AND HIS BEAR

By HARRIET GRAHAM

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A Boy and His Bear Andre Deutsch Children s Books

By Harriet Graham

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Shiva's pearls

By Harriet Graham

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The ring of Zoraya

By Harriet Graham

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In the late nineteenth century while traveling on the Orient Express to St. Petersburg, William, Flora, and their guardian meet the Crown Prince of Slovadia and find themselves unexpectedly caught...

A boy and his bear

By Harriet Graham

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Dickon rescues his bear cub friend from certain death at the hands of bear catchers in Medieval England. Told in part from the point of view of the cub.

The story of folk music

By Melvin Berger

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Examines the evolution of American folk music due to the influences of politics, different personalities, and musical instruments.

Plastics processing.

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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.