Adele De Leeuw Books

Marie Curie, woman of genius.

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A biography of the woman scientist whose dedication and hard work resulted in the discovery of radium and two awards of the Nobel Prize.

Maria Tallchief: American ballerina.

By Adele De Leeuw

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A biography of the Osage Indian who became one of America's foremost ballerinas.

A colony leader: Peter Stuyvesant.

By Adele De Leeuw

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A biography showing the importance of Peter Stuyvesant's leadership to the growth of New Amsterdam.

Horseshoe Harry and the Whale

By Adele De Leeuw

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A cowboy eager to see the sea is shanghaied onto a whaling ship whose captain is interested only in playing the bassoon.

Horseshoe Harry and the Whale

By Adele De Leeuw

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A cowboy eager to see the sea is shanghaied onto a whaling ship whose captain is interested only in playing the bassoon.

Remembered with love

By Adele De Leeuw

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After the death of her artist sister, the author reminisces about their shared childhood, pets, career experiences, and years of collaboration on books for children.

Horseshoe Harry and the Whale

By Adele De Leeuw

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Story of Amelia Earhart

By Adele De Leeuw

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Paul Bunyan and His Blue Ox

By Adele De Leeuw

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The boy with wings.

By Adele De Leeuw, Adele Louise De Leeuw

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A boy who grows a pair of angel wings discovers they are a disadvantage.

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.