Adele De Leeuw Books

A biography of the Filipino statesman who became the first non-American to win the Pulitzer prize, the President of the U.N. General Assembly, and a champion for Philippine independence and the rig...

Civil War nurse, Mary Ann Bickerdyke

By Adele De Leeuw

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Biography of a woman who distinguished herself during the Civil War by her care of the wounded, and after the war by her social welfare work.

Paul Bunyan finds a wife

By Adele De Leeuw

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Paul Bunyan's wife fixed pies with meringues that touched the ceiling and stacks of pancakes as tall as a pine tree.

Uncle Davy Lane, mighty hunter

By Adele De Leeuw

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Five tales about the exploits of the mightiest hunter in North Carolina.

Casey Jones drives an ice cream train

By Adele De Leeuw

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One problem after another nearly prevents the ice cream from reaching the State fair but Casey Jones and old engine 638 overcome them all.

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.