Paul Robertson Books

"In a quiet 1720 Swiss university town, math prodigy Leonhard Euler is thrust into a dangerous web of jealousy, intrigue, and murder, and he will need both his genius and his faith to survive"--

The Heir

By Paul Robertson

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The power of the land

By Paul Robertson

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Electronic Discovery and Retention Guidance for Corporate Counsel 2005 Litigation and Administrative Practice

By Practising Law Institute.

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Teaching Overseas

By Paul Robertson

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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.