Robert H. Ferrell Books

Presidential leadership

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"Examines the personal styles of presidents Woodrow Wilson, Warren Harding, Calvin Coolidge, and Harry Truman. Uses the diaries of Colonel Edward House and White House physician Joel Boone and othe...

Harry S. Truman

By Robert H. Ferrell

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Harry S. Truman And the Cold War Revisionists

By Robert H. Ferrell

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Ill Advised

By Robert H. Ferrell

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Off the record

By Harry S. Truman

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The dying president

By Robert H. Ferrell

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In this authoritative account, Robert H. Ferrell shows how the treatment of President Franklin D. Roosevelt's illness in 1944-1945 was managed by none other than the president himself. Although thi...

Dear Bess

By Harry S. Truman

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Harry S. Truman and the Cold War Revisionists

By Robert H. Ferrell

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Five Days in October

By Robert H. Ferrell

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Collapse at Meuse Argonne

By Robert H. Ferrell

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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.