J. Stillwell Books

Papers on Fuchsian Functions

By Henri Poincare

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Twenty first century Leeds geographies of a regional city

By Rachael STILLWELL John Eds UNSWORTH

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Geographical Information and Planning

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Intuitive Combinatorial Topology

By V. G. Boltyanskii, V. A. Efremovich, A. Shenitzer, J. Stillwell, V.G. Boltyanskii; V.A. Efremovich

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Topology is a relatively young and very important branch of mathematics, which studies the properties of objects that are preserved through deformations, twistings, and stretchings. This book deals...

Surfaces and Planar Discontinuous Groups

By Heiner Zieschang, J. Stillwell, Elmar Vogt, Hans Dieter Coldewey

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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.