Bryn Hammond Books

Halcyon Days: The Nature of Trout Fishing

By Bryn Hammond

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Halcyon Days: The Nature of Trout Fishing and Fishermen

By Bryn Hammond

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One hundred years of trout fishing in New Zealand

By Bryn Hammond, Parsons John

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"In 1940 the Germans had swept British forces out of Europe and seemed posed to invade the British Isles. Demoralized from months of hard fighting and numerous defeats, the British Army seemed inca...

Halcyon Days

By Bryn Hammond

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Tales of Fishing In New Zealand and Beyond

By Bryn Hammond

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Cambrai 1917

By Bryn Hammond

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Cambrai 1917

By Bryn Hammond

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Alamein

By Bryn Hammond

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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.