Paul Hannam Books

Using the movie "Groundhog Day" as a metaphor, the author presents advice on breaking out of destructive, repetitious behavior patterns and taking time to establish personal priorities that will pr...

Wisdom of Groundhog Day

By Paul Hannam

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Wisdom of Groundhog Day

By Paul Hannam

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274 pages ; 20 cm

Take Charge of Your Mind

By John Selby, Paul Hannam

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Take Charge of Your Mind

By John Selby, Paul Hannam

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Wisdom of Groundhog Day the Extraordinary Gift of Ordinary Life

By Paul Hannam

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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.