Mark Christopher Crosby Books

William Blake and the Age of Aquarius

By Mark Christopher Crosby, Stephen Eisenman

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A stunningly illustrated look at how Blake's radical vision influenced artists of the Beat generation and 1960s counterculture In his own lifetime, William Blake (1757-1827) was a relatively unknow...

Re envisioning Blake

By Troy Patenaude, Mark Christopher Crosby, Angus Whitehead

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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.