Daniel Mark Epstein Books

Lincoln's Men: The President and His Private Secretaries

By Daniel Mark Epstein

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Lincoln's Men: The President and His Private Secretaries

By Daniel Mark Epstein

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The Ballad of Bob Dylan: A Portrait

By Daniel Mark Epstein

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Drawn from revelatory interviews, an analysis of lyrics, and lifelong study, an in-depth, original take on one of the most influential artists of the twentieth century delves into his many accompli...

Sister Aimee: The Life of Aimee Semple McPherson

By Daniel Mark Epstein

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Love's compass

By Daniel Mark Epstein

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The Ballad of Bob Dylan: A Portrait

By Daniel Mark Epstein

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Lincoln and Whitman

By Daniel Mark Epstein

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Lincoln and Whitman

By Daniel Mark Epstein

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Kindred spirits despite their profound differences in position, Abraham Lincoln and Walt Whitman shared a vision of the democratic character. They had read or listened to each other’s words at cruc...

The Lincolns

By Daniel Mark Epstein

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Although the private lives of political couples have in our era become front-page news, the true story of this extraordinary and tragic first family has never been fully told. The Lincolns eclipses...

The Loyal Son

By Daniel Mark Epstein

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The dramatic story of a founding father, his illegitimate son, and the tragedy of their conflict during the American Revolution—from the acclaimed author of The Lincolns. Ben Franklin is the most l...

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.