Heather Kirk Books

Warsaw spring

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In 1979 eighteen-year-old Eva escapes troubles at home by fleeing to her family's homeland, Poland, where she discovers a previously unknown sister and family members, and experiences life first ha...

Wacousta

By Heather Kirk, John Richardson Undifferentiated

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A Drop of Rain

By Heather Kirk

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Mazo de la Roche

By Heather Kirk

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Be not afraid

By Heather Kirk

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Branded for Success

By Heather Kirk, Chris Howard, Jim Howard

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Who were the Whiteoaks and where was Jalna

By Heather Kirk

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Heather Kirk offers new sources for the fictional Whiteoak family in the world-famous Jalna novels by Canadian author Mazo de la Roche. The Whitesoaks were modelled on an ingenious combination of c...

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.