Theodore Roosevelt Books

"Theodore Roosevelt (1858-1919) wrote this firsthand account of his experiences as coleader of the Roosevelt-Rondon Scientific Expedition during its trek through unknown regions of Paraguay and Bra...

The selected letters of Theodore Roosevelt

By Theodore Roosevelt

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"Theodore Roosevelt (1857-1919) was the most literary of American presidents. In little more than six decades, Roosevelt, was a rancher, historian, reformer, New York state assemblyman, New York Ci...

African Game Trails

By Theodore Roosevelt

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Outdoor pastimes of an American hunter

By Theodore Roosevelt

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xvii, 369 p. : 23 cm

Hunting Trips of a Ranchman

By Theodore Roosevelt

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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.