Richard Rudnicki Books

La D termination de Viola Desmond

By Richard Rudnicki, Jody Nyasha Warner

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Gracie The Public Gardens Duck pb

By Richard Rudnicki, Judith Meyrick

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A Christmas dollhouse

By Richard Rudnicki

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In Nova Scotia during the depression, Dot's family is having a hard time. Her father has work, but her mother is terribly sick, and there is barely enough money to make ends meet, let alone to get...

I Spy a Bunny

By Richard Rudnicki, Judy Dudar

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Making Contact!

By Monica Kulling Illustrated By Richard Rudnicki

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  The fifth book in Tundra's Great Idea Series, Making Contact! tells the story of Guglielmo Marconi, who became the father of wireless communication.      As a b...

Cyrus Eaton

By Richard Rudnicki

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Viola Desmond Won t Be Budged

By Richard Rudnicki, Jody Nyasha Warner

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Fania s Heart

By Anne Renaud, Richard Rudnicki

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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.