Carol Metzker Books

Facing the monster

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"An invisible, growing monster roams the streets, preying on millions of innocent victims in the United States and overseas. This monster is child slavery, and it is woven into the very fabric of o...

Appreciative Intelligence

By Carol Metzker, Tojo Thatchenkery

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“Provocative . . . reveals the ability behind exciting and unexpected innovations, turnarounds, or accomplishments that were once considered impossible.” —W. Warner...

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.