Garland Allen Books

The Biological Century

By John E. Dowling, Gerald Weissman, Robert B. Barlow, Garland Allen

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At the 1988 summer session, the internationally famous Marine Biological Laboratory (MBL) at Woods Hole, Massachusetts celebrated one hundred years of pioneering science. During the centennial fest...

Biology

By Jeffrey Baker, Garland E. Allen, Garland Allen

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H.H. Laughlin

By A. E. Samaan, Garland Allen

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H.H. Laughlin

By A. E. Samaan, Garland Allen

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Evolution since Darwin

By Allan Larson, Garland Allen

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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.