James R. Boylan Books

Pulitzer's School: Columbia University's School of Journalism, 1903-2003

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"Marking the centennial of the founding of Columbia University's school of journalism, this candid history of the school's evolution is set against the backdrop of the ongoing debate over whether j...

The World and the 20 s

By James R. Boylan

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The New Deal coalition and the election of 1946

By James R. Boylan

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Revolutionary Lives

By James R. Boylan

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When they fell in love amid the tumult of the 1905 Russian revolution, they believed they were destiny's match: William English Walling, a wealthy American journalist activist from the Midwest, and...

Pulitzer s School

By James R. Boylan

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Stonington s old lighthouse and its keepers 1840 2013

By James R. Boylan

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Revolutionary Lives

By James Boylan

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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.