Elizabeth Troy Books

The stash plan

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"From Laura Prepon, star of Orange Is the New Black, and integrative nutritionist Elizabeth Troy comes an exciting 21-day plan combining the latest in food science with ancient dietary wisdom, to s...

The Stash Plan

By Laura Prepon, Elizabeth Troy

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Naturalmente sexy The Stash Plan

By Laura Prepon, Elizabeth Troy, Carlos Ganzinelli

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Stash Plan

By Laura Prepon, Elizabeth Troy

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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.