Howard Mansfield Books

Skylark

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Harry Atwood was among the most flamboyant of the celebrated and often foolhardy pioneers of American aviation. Part daredevil, inventor, entrepreneur, and con artist, he became renowned for his fl...

Where the mountain stands alone

By Howard Mansfield

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Where the Mountain Stands Alone

By Howard Mansfield

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Hogwood Steps Out

By Howard Mansfield, Mansfield Howard.

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Hogwood the pig escapes from his pen and enjoys a spring day exploring neighborhood gardens.

The Same Ax Twice

By Howard Mansfield

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The Bones of the Earth

By Howard Mansfield

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The Bones of The Earth is a book about landmarks, but of the oldest kind—sticks and stones. For millennia this is all there was: sticks and stones, dirt and trees, animals and people, the sky...

Longest Bark

By Howard Mansfield

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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.