Hans Kummer Books

Private pleasure, public plight

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"This is a social and cultural analysis of community life in metropolitan areas of three nations - the United States, Sweden, and England. The author focuses on how environment and culture interact...

A basic guide to bobsledding

By United States Olympic Committee

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Provides information on such aspects of bobsledding as the history of the sport, sleds, clothing and safety, training, nutrition and first aid, and more. Describes Olympic and bobsledding organizat...

Primate societies

By Hans Kummer

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Primate societies

By Hans Kummer

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Private Pleasure Public Plight

By David Popenoe

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A Basic Guide To Bobsledding

By Hans Kummer

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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.