Robert Kellett Books

Tightrope to Terror

By Robert Kellett

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Le telepherique de la peur

By Robert Kellett

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Lisa a convaincu sa soeur Susan de prendre le téléphérique au lieu du tunnel du Mont-Blanc. Après le passage du ler pylône ... c'est le choc!

Le telepherique de la peur

By Robert Kellett

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Le Telepherique de la peur

By Martine Delattre, Yves Beaujard, Robert Kellett

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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.