John English Books

Citizen of the World

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One of the most important, exciting biographies of our time: the definitive, major two-volume biography of Pierre Elliott Trudeau—written with unprecedented, complete access to Trudeau&rsqu...

Just Watch Me

By John English

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This magnificent second volume, written with exclusive access to Trudeau’s private papers and letters, completes what the Globe and Mail called “the most illuminating Trudeau portrait y...

The Life of Lester Pearson, Vol. 2: The Worldly Years, 1949-1972

By John English, English John

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Public Housing: Current Trends and Future Developments

By John English, David Clapham

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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.