Kirsten Anderson Books

How did a New York printer become one of the most influential poets of all time? Find out in this addition to the Who HQ library!Walt Whitman was a printer, journalist, editor, and schoolteacher. B...

Who Was Andy Warhol?

By Who HQ, Kirsten Anderson

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Best known for his screen prints of soup cans and movie stars, this shy young boy from Pittsburgh shot to fame with his radical ideas of what “art” could be. Working in the aptly named “Factory,” W...

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.