Otto Kroeger Books

Sabbatical Planning

By Otto Kroeger, Roy M. Oswald

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Creative you

By David B. Goldstein

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What’s Your Type at Work? Are you one of those organized people who always complete your projects before they are due? Or do you put off getting the job done until the very last possible moment? Is...

Personality Type and Religious Leadership

By Otto Kroeger, Roy M. Oswald

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Creative You

By Otto Kroeger, David B. Goldstein

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Pochemu my takie 16 tipov lichnosti opredelyayuschih kak my zhivem rabotaem i lyubim

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Type Talk

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Determine your personality using a scientifically validated method based on the work of C.G. Jung and gain insight into why others behave the way they do, and why you are the person you are. What’s...

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.