David R. Collins Books

A family experiences sickness, hunger, cold, and death while traveling on the Mayflower in 1620 but the bond of love that holds them together also helps them survive the voyage and life in the new...

Grover Cleveland

By David R. Collins

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Follows the life of Grover Cleveland from birth to death, including his childhood, education, employment, and political career.

Zachary Taylor, 12th president of the United States

By David R. Collins

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Traces the childhood, education, employment, political career, and presidency of the man nicknamed "Old Rough and Ready."

Woodrow Wilson, 28th president of the United States

By David R. Collins

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Presents a biography of the statesman who grew up in the South during the Civil War and served as President of Princeton University, Governor of New Jersey, and President of the United States durin...

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.