Charles Belfoure Books

Dying By Design

By Charles A Belfoure

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The Faberge Secret

By Charles Belfoure

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Monuments to Money

By Charles Belfoure

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Monuments to Money

By Charles Belfoure

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The Paris architect

By Charles Belfoure

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Paris, 1942. The architect Lucien Bernard accepts a commission that will bring him a great deal of money-- and maybe get him killed. All he has to do is design a secret hiding place for a wealthy J...

Dying by Design

By Charles A. Belfoure

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Niernsee and Neilson Architects of Baltimore

By Charles Belfoure, Randolph W. Chalfant

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Edmund G. Lind

By Charles Belfoure

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House of thieves

By Charles Belfoure

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In 1886 New York, a respectable architect should have no connection to the gang that rules the city's underbelly. But John Cross's son has racked up a huge gambling debt. Using his inside knowledge...

The Fallen Architect

By Charles Belfoure

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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.