William Dugan Books

When Grandfather Was A Boy

By Robert Pease, William Dugan

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Describes life in America in 1910, 1940, and 1970, including family, clothes, schools, houses, transport, and food.

When Grandfather Was A Boy

By Robert Pease, William Dugan

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Describes life in America in 1910, 1940, and 1970, including family, clothes, schools, houses, transport, and food.

All About Houses

By William Dugan, Written And Illustrated By William Dugan

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Describes different types of dwellings throughout history, relating their style to their geographical area, and discusses the influences of various scientific developments on the style of the moder...

All About Houses

By Bill Dugan, Dugan, William Dugan

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The Bug Book

By William Dugan

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Ball Book

By William Dugan, W. Dugan

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Things To Make

By Peggy R. Greene, William Dugan, Greene, Peggy R., Dugan, William

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Contains directions for making toys, presents, and decorations from materials found around the house.

How Our Alphabet Grew

By William Dugan

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All About Houses

By William Dugan

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Derry Revisited (NH) (Images Of America)

By Richard Holmes, William Dugan, Holmes, Richard

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In 1719, sixteen families left Ireland for America and founded a community called Nutfield, which evolved into modern Derry. For centuries, Derry retained its small-town character, but the 1963 op...

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.