Sean Conant Books

The Gettysburg Address

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It remains without question the most memorable and memorized speech in American history. In 272 words, spoken on November 19, 1863, among the freshly dug graves of the Union dead at Gettysburg, Pe...

The Gettysburg Address: Perspectives on Lincoln's Greatest Speech

By Harold Holzer, Sean Conant

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It remains without question the most memorable and memorized speech in American history. In 272 words, spoken on November 19, 1863, among the freshly dug graves of the Union dead at Gettysburg, Pe...

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.