Martha Howell Books

From reliable sources

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From reliable sources is an introduction to historical methodology, an overview of the techniques historians must master in order to reconstruct the past. Its focus is on the basics of source criti...

From reliable sources

By Martha C. Howell

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Power of Space in Late Medieval and Early Modern Europe

By Martha Howell, Marc Boone

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Power of Space in Late Medieval and Early Modern Europe

By Martha Howell, Marc Boone

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Rereading Huizinga

By Martha Howell, Peter Arnade, Anton Van Der Lem

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Rereading Huizinga

By Martha Howell, Peter Arnade, Anton Van Der Lem

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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.