Stefan Bollman Books

Women Who Write

By STEFAN BOLLMANN, Stefan Bollman

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Looks at the literary contribution of various of women authors throughout the ages.

Women who write are dangerous

By Stefan Bollmann

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"This sequel to the best-selling Women Who Read are Dangerous features portraits and profiles of forty-seven trailblazing women authors past and present. It will offer insight, inspiration - and a...

Women Who Read Are Dangerous

By Stefan Bollman

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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.