Penny Allen Books

Metaphors for Change

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"How can we get from where we are to where we want to be? Metaphors for Change attempts to answer this question and provide a roadmap for sustainability by bringing together the thoughts of a uniqu...

A geography of saints

By Penny Allen

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"A Geography of Saints is an exhilarating, deeply moving, and clear-eyed account of the author's first year caretaking a horse ranch outside Saints, Oregon. In the depths of the Reagan recession, A...

The Face of the Deep

By Penny Allen

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Metaphors for Change

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Metaphors for Change

By Christophe Bonazzi, Penny Allen, David Gee

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Metaphors for Change

By Christophe Bonazzi, Penny Allen, David Gee

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Metaphors for Change

By Christophe Bonazzi, Penny Allen, David Gee

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Flora Bunny Knit Fluff Ep 1

By Penny Allen, Jason Allen

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Metaphors for Change

By Christophe Bonazzi, Penny Allen, David Gee

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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.