David Herbert Donald Books

A portrait of an American novelist examining the forces of his life that were intertwined with his writing and the academic and literary worlds of which he was a part.

Civil War and Reconstruction

By James Garfield Randall, David Herbert Donald

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Lincoln's Herndon

By David Herbert Donald

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Charles Sumner

By David Herbert Donald

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Lincoln Reconsidered

By David Herbert Donald

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David Herbert Donald, Lincoln biographer and winner of the Pulitzer Prize, has revised and updated his classic and influential book on Lincoln and the era he dominated.When Lincoln Reconsidered was...

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.