Harriet Whitehorn Books

Violet and the Mummy Mystery

By Becka Moor, Harriet Whitehorn

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Violet and the pearl of the orient

By Harriet Whitehorn

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"Meet Violet Remy-Robinson, an amateur Sherlock Holmes in the making ... When a new family move in next door, Violet is sure there's something strange about them. Then her eccentric, but lovely nei...

Violet and the hidden treasure

By Harriet Whitehorn

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Violet has spent her holidays exploring India with Godmother Celeste, including visiting Celeste's good friend the Maharajah and meeting his very special cockatoo. But when she returns home, Violet...

Violet and the Smugglers

By Becka Moor, Harriet Whitehorn

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Violet and the pearl of the orient

By Harriet Whitehorn

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Violet and the hidden treasure

By Harriet Whitehorn

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Les merveilleuses patisseries de Billy tome 03 La danse des donuts

By Alex G. Griffiths, Catherine Nabokov, Harriet Whitehorn

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Violet ve Dogu nun Incisi

By Harriet Whitehorn

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Violet ve Gizli Hazine

By Harriet Whitehorn

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Violeta y el tesoro escondido

By Becka Moor, Harriet Whitehorn

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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.