John A. Joule Books

Handbook of Heterocyclic Chemistry,

By Alan R. Katritzky

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Handbook of Heterocyclic Chemistry

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Handbook of Heterocyclic Chemistry

By Alan R. Katritzky

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Heterocyclic compounds play a vital role in the metabolism of living cells. Their practical applications range from extensive clinical use to fields as diverse as agriculture, photography, biocide...

Heterocyclic Chemistry

By J. A. Joule, John A. Joule, G. F. Smith

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Heterocyclic Chemistry

By J. A. Joule, John A. Joule, Keith Mills

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Heterocyclic Chemistry at A Glance

By John Joule, Keith Mills

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Thiophenes

By John A. Joule

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Thiophenes

By John A. Joule

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Handbook of Heterocyclic Chemistry

By Christopher A. Ramsden, Viktor V. Zhdankin, Alan R. Katritzky, John A. Joule, Pozharskii

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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.