John Jacobus Books

"From 1930 to 1968, General Motors sponsored a national model craftsmanship/auto design competition for youth--the Fisher Body Craftsman's Guild. These essays by 29 Guildsmen chronicle their experi...

Matisse

By John Jacobus

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Modern Art, Revised

By Daniel Wheeler, Sam Hunter, John Jacobus

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"Modern Art narrates, in word and image alike, one of the great stories of our time - how Western vanguard culture created modernist art by heeding the call "to make it new." Uniquely, the artists...

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.