Robert Kriegel Books

The C zone

By Robert J. Kriegel

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Sacred Cows Make the Best Burgers

By Robert J. Kriegel, Robert Kriegel

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C Zone

By Robert Kriegel

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Inner skiing

By W. Timothy Gallwey

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Inner Skiing

By W. Timothy Gallwey, Robert Kriegel

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Change the way you ski with this accessible, step-by-step classic skiing guide—part of the bestselling Inner Game series, with more than one million copies sold! “Tim Gallwey is on...

The C Zone

By Robert J. Kriegel, Marilyn Harris Kriegel

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Si No Esta Roto Rompalo

By Robert Kriegel

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De Las Vacas Sagradas Se Hacen Las Mejores Hamburguesas

By David Brandt, Robert Kriegel

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Tenga Exito En Los Negocios Sin Matarse En El Intento

By Robert Kriegel

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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.