David Kranz Books

Early Adopter Curl

By Chris Ullman, James Joly, David Kranz, Dan Maharry, Paul J. Metzger, Michael Gordon

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A Compendium of Roadworthy Skills for Counsellors and Other Helpers

By David Kranz, Vicky Sanders

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This book is for counsellors and other helpers who want to learn the skills that create both the climate and the means for others to optimise the likelihood of fully expressing their unique potential.

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.