Karl Len Alexander Books

Rough magic

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Since her suicide at age thirty, Sylvia Plath (1932-1963) has been celebrated for her impeccable and ruthless poetry, which excels at describing the most extreme reaches of Plath's consciousness an...

Children, schools, and inequality

By Doris R. Entwisle

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Children Schools and Inequality

By Doris R. Entwisle, Linda Steffel Olson, Karl Len Alexander

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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.