Portia De Rossi Books

Unbearable Lightness

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Known for her roles on the hit TV shows "Ally McBeal" and "Arrested Development," de Rossi delivers a revelatory and searing account of the years she spent secretly suffering from anorexia and buli...

Unbearable Lightness

By Portia De Rossi

Average: 0.00, 0 Ratings

Unbearable lightness

By Portia De Rossi

Average: 0.00, 0 Ratings

Unbearable Lightness

By Portia De Rossi

Average: 0.00, 0 Ratings

Unbearable Lightness

By Portia De Rossi

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Unbearable Lightness

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Vegan Cooking for Carnivores

By Portia De Rossi, Roberto Martin, Ellen DeGeneres, Quentin Bacon

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Vegan cooking for carnivores

By Roberto Martin

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Unbearable Lightness

By Portia De Rossi

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Schwere Los der Leichtigkeit

By Portia De Rossi

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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.