John Blackmore Books

The Christian in life and death

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In their own words.

By Thompson Twins.

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Views on the Newcastle and Carlisle railway

By J. W. Carmichael

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Ludwig Boltzmann His Later Life and Philosophy 1900 1906 Book Two

By John Blackmore

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Ernst Mach - A Deeper Look

By John Blackmore

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Ernst Mach -- A Deeper Look has been written to reveal to English-speaking readers the recent revival of interest in Ernst Mach in Europe and Japan. The book is a storehouse of new information on M...

Ernst Mach A Deeper Look

By John Blackmore

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Views on the Newcastle and Carlisle Railway

By John Blackmore, James Wilson Carmichael

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London by Moonlight Mission

By John Blackmore

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Ludwig Boltzmann His Later Life and Philosophy, 1900-1906

By John Blackmore

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This book gives the first detailed record of Ludwig Boltzmann's life and philosophical thoughts during his final years, a period of major change in physics, needing a new methodology of theoretical...

Ludwig Boltzmann His Later Life and Philosophy 1900 1906

By John Blackmore

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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.