R.E Holdsworth Books

Solid geology of the Tongue district

By R. E. Holdsworth

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Wading into chaos

By R. E. Holdsworth

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"Wading Into Chaos", written by a veteran paramedic, gives you a first hand, real life glimpse inside the chaotic world of Emergency Medical Services. Ride along and experience the emotions, the fr...

Extensional Tectonics

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Extensional Tectonics

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Flow processes in faults and shear zones

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The nature and origin of compression in passive margins

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Continental tectonics and mountain building

By R. D. Law

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The nature and tectonic significance of fault zone weakening

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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.