John M. MacGregor Books

The Discovery Of The Art Of The Insane

By John M. MacGregor, John M MacGregor, (John Monroe)

Average: 0.00, 0 Ratings

"Assessing the significance of the artistic activity of the mentally ill, Paul Klee recommended that the work of psychotic artists be "taken seriously, more seriously than all the public galleries...

The Discovery Of The Art Of The Insane

By John M. MacGregor, John M MacGregor, (John Monroe)

Average: 0.00, 0 Ratings

"Assessing the significance of the artistic activity of the mentally ill, Paul Klee recommended that the work of psychotic artists be "taken seriously, more seriously than all the public galleries...

Henry Darger: In The Realms Of The Unreal

By John M. MacGregor

Average: 0.00, 0 Ratings

Metamorphosis : The Fiber Art Of Judith Scott

By John M. MacGregor

Average: 0.00, 0 Ratings

John M. Macgregor ; Photographs Of Judith Scott And Her Work By Leon A. Borensztein. Includes Bibliographical References.

Henry J. Darger: Dans Les Royaumes De L'Irreel

By John M. MacGregor

Average: 0.00, 0 Ratings

John M. Macgregor ; [traduction De L'anglais Du Texte Original De John M. Macgregor, Aline Weill ; Traduction De L'anglais Des Textes Originaux De Henry Darger, Bernard Hoepffner Avec La Collaborat...

Henry J. Darger; In The Realms Of The Unreal; VIVIAN GIRLS!

By John M. MacGregor, John M. MacGregor / Koide Yukiko, ジョン・M. マグレガー

Average: 0.00, 0 Ratings

Ecriture En Délire

By John M. MacGregor, Guy Roux, Leo Navratil, Collectif, Michel Thévoz

Average: 0.00, 0 Ratings

Jakob Mohr

By John M. MacGregor, MacGregor John, Doris Noell-Rumpeltes, Noell-Rumpeltes Doris, Thomas Röske

Average: 0.00, 0 Ratings

Henry J. Darger: In The Realms Of The Unreal

By John M. MacGregor, John Mcgregor, John M. Dq (John Monroe) MacGregor

Average: 0.00, 0 Ratings

Henry J. Darger

By John M. MacGregor

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.