Katharine McMahon Books

The rose of Sebastopol

By Katharine McMahon

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Season of light

By Katharine McMahon

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Season of Light begins in 1788, in the heady days just before the French revolution, when Paris is fizzing with new ideas about liberty and equality. Asa Ardleigh, the impressionable 19-year-old da...

Season of light

By Katharine McMahon

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Alchemist s Daughter

By Katharine McMahon

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The Rose of Sebastopol

By Katharine McMahon

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The Rose of Sebastopol

By Katharine McMahon

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The Crimson Rooms

By Katharine McMahon

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From the author of the #1 international bestseller, The Rose of Sebastopol--an unforgettable historical novel. Still haunted by the death of her brother James seven years ago in World War I, Evel...

The Crimson Rooms: A Novel

By Katharine McMahon

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Evelyn is a young woman who has defied convention to become one of the country's pioneer female lawyers. Living at home with her mother, aunt, and grandmother, Evelyn is still haunted by the death...

The Rose Of Sebastopol

By Katharine McMahon

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The Alchemist's Daughter

By Katharine McMahon

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Secrets abound in this gripping tale of a young woman cloistered since birth who discovers that knowledge is no subsitute for experience when she choses to follow her heart over science.Raised by h...

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.