Gregory F. Gilmartin Books

Shaping the City

By Gregory F. Gilmartin

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Shaping the city

By Gregory Gilmartin

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The Municipal Art Society was founded in New York City in the wake of the World's Columbian Exposition, when the Great White City in Chicago ushered in a new conception of what American cities coul...

New York 1930

By Thomas Mellins, Robert A. M. Stern, Gregory F. Gilmartin

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New York 1930 Architecture and Urbanism Between the Two World Wars

By Thomas Mellins, Robert A.M. Stern, Gregory F. Gilmartin

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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.