Sara Horowitz Books

Encounter With Aharon Appelfeld

By Sara Horowitz, Name Missing

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Mutualism

By Sara Horowitz

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A profound look at the crisis of work and the collapse of the safety net, and a vision for a better way forward, rooted in America’s cooperative spirit, from the founder of the Freelancers Un...

The freelancer s bible

By Sara Horowitz

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Amazingly, one-third of the American workforce is freelance--that's 42 million people. Written by the authority on freelance working, Horowitz, MacArthur "Genius" Fellow and founder of the national...

Freelancer s Bible

By Sara Horowitz, Toni Sciarra Poynter

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Freelancers Union Guide to Taxes

By Sara Horowitz, Toni Sciarra Poynter

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Mutualism

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A profound look at the crisis of work and the collapse of the safety net, and a vision for a better way forward, rooted in America’s cooperative spirit, from the founder of the Freelancers Union “...

Mutualism

By Sara Horowitz

Average: 0.00, 0 Ratings

A profound look at the crisis of work and the collapse of the safety net, and a vision for a better way forward, rooted in America’s cooperative spirit, from the founder of the Freelancers Un...

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.