Klaas Douwe B. Dijkstra Books

Field Guide to the Dragonflies of Britain and Europe

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A guide to all the dragonflies and damselflies of Britain and Europe. It covers all of Europe, from the Arctic Circle to the Mediterranean Basin, including western Turkey, Cyprus, Morocco, Algeria,...

Field Guide to the Dragonflies of Britain and Europe

By Klaas Douwe B. Dijkstra

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GUIA DE CAMPO DE LAS LIBELULAS DE ESPANA Y DE EUROPA

By Manuel Pijoan Rotge, Klaas Douwe B. Dijkstra, Richard Lewington

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Field Guide to the Dragonflies of Britain and Europe

By Klaas Douwe B. Dijkstra, Richard Lewington

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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.