Peter Weddle Books

Revised and redesigned, this edition is comprised of two sections: "The Top 100," which features the top job boards and career portals on the web, and "The Best & The Rest," a comprehensive directo...

Job nation

By Peter D. Weddle

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The Success Matrix

By Peter Weddle

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Prescription for the soul

By Peter Weddle

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Is the sun rising or setting on the American Dream? A Prescription of the Soul answers that question with two parallel stories. One is a coming-of-age tale about a group of American teenagers--Army...

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.