David R. Collins Books

Kim Soo and his tortoise

By David R. Collins

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A poor Japanese boy's pet tortoise helps him win a wish from the Emperor.

The country artist

By David R. Collins

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A biography of the English author and illustrator who grew up during the Victorian era and whose detailed drawings of plants and animals found their way into her famous picture books.

To the point

By David R. Collins

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Follows the life of the popular author of essays, poems, and children's books, from his childhood in rural New York State to his death at the age of eighty-six.

Malcolm X

By David R. Collins

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A biography of the noted Black Muslim leader, looking back on his life from the day of his assassination in 1965.

Pioneer plowmaker

By David R. Collins

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A biography of the inventor and manufacturer who produced one of the first self-scouring plows.

Tales for hard times

By David R. Collins

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Follows the life and works of the popular nineteenth-century English author.

To the Point

By David R. Collins

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Arthur Ashe

By David R. Collins

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Mark T-W-A-I-N!

By David R. Collins

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Covers the life of the famed nineteenth-century author from his childhood in Hannibal, Missouri, through his careers as journalist, riverboat pilot, soldier, prospector, and humorist.

Florence Nightingale

By David R. Collins

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A biography of the well-to-do woman who defied social convention in order to establish nursing as a respectable career for women and bring about reforms in hospital conditions and nursing care.

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.