Harris Robin Books

Talleyrand

By ROBIN HARRIS, Harris Robin

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Valois Guyenne

By Robin Harris, Harris Robin

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Dubrovnik

By HARRIS ROBIN 1952 ., Harris Robin

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503 pages, 48 unnumbered pages of plates : 25 cm

Pinochet y Allende vistos por un ingles

By Harris Robin

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"Margaret Thatcher is one of the most significant political figures of the twentieth century--a Prime Minister whose impact on modern British history is comparable only to Winston Churchill's. Like...

My Melody's new bike

By Harris Robin

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Melody receives a new bicycle for her birthday and lets all her friends ride it at her birthday party.

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.