Deleeuw Books

Richard E. Byrd: Adventurer To The Poles
James Cook
James Cook

By Deleeuw

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In This Way I Was Saved
In This Way I Was Saved

By Brian DeLeeuw, Deleeuw, DeLeeuw, Brian

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Now a major motion picture! A breathtaking debut of literary suspense about a young boy’s struggle against his inner demons—a fight to the death against his secret shadow self. On a chilly November...

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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?

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