Betsy Fahlman Books

This monograph is the first scholarly study of John Ferguson Weir (1841-1926). Weir has been long overshadowed by his father, Robert Walter Weir (1803-89), and his Impressionist brother, Julian Ald...

Artists of the Commonwealth

By Betsy Fahlman Barbara L Jones

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Guy Pene Du Bois

By Betsy Fahlman

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"Best known for his work in the second quarter of the twentieth century, Guy Pene du Bois (1884-1958) was one of America's most stylish painters, a keen observer of the social scene around him who...

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.