April Calahan Books

Fashion Plates: 150 Years of Style

By April Calahan

Average: 0.00, 0 Ratings

Fashion and the art of pochoir

By April Calahan

Average: 0.00, 0 Ratings

"The 1910s and 1920s witnessed an outpouring of luxury fashion publications that used a hand-stenciling technique known as pochoir (French for stencil). This highly refined, painterly technique, wh...

Fashion Plates

By April Calahan, Anna Sui, Karen Trivette Cannell

Average: 0.00, 0 Ratings

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.