Mark Singer Books

Mr. Personality: Profiles and Talk Pieces

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"An updated portrait of the business mogul and presidential candidate, written by his long-suffering chronicler and the author of Funny Money, traces Trump's rise as an unlikely tribune of populist...

Citizen

By Mark Singer

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Somewhere in America: Under the Radar With Chicken Warriors, Left-Wing Patriots, Angry Nudists, and Others

By Mark Singer

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"Mark Singer has a dream job: he travels the country in search of under-the-radar stories, unusual but emblematic tales of American lives, and writes about them in the New Yorker column "U.S. Journ...

Character Studies: Encounters With The Curiously Obsessed

By Mark Singer

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MR PERSONALITY PA

By SINGER, Mark Singer

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Funny Money

By Mark Singer

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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.