John S. Glasby Books

The dwarf novae

By John S. Glasby, T. R. Tregear

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Encyclopaedia of antibiotics

By John S. Glasby

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Alphabetical arrangement of about 1000 antibiotics. Intended for workers in organic chemistry, biochemistry, pharmacology, medicine, and microbiology. Entries include formula, structure, descriptio...

Encyclopaedia of the terpenoids

By John S. Glasby

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WCS Business Ethics Sp 2005

By John S. Glasby

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WCS Course Pack to accompany Core Concepts of Management

By John S. Glasby

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Encyclopedia of Antibiotics

By John S. Glasby

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Boundaries of the universe

By John S. Glasby

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Glasby Glvs

By GLASBY

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Bowie of the Alamo

By John Glasby

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Marked for violence

By John S. Glasby

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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.