Margaret Coel Books

The Thunder Keeper

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The apparent suicide of a young Arapaho on sacred ground shocks the populace of the Wind River Reservation. But strange events following the death lead Vicky Holden and Father John O'Malley to susp...

The Perfect Suspect

By Margaret Coel

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David Mathews, the wildly popular candidate expected to win the Colorado governor’s seat, has been murdered. His death has made headlines across the nation and Denver’s police are scram...

Blood Memory

By Margaret Coel

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Investigative reporter Catherine McLeod is covering a claim filed by the Arapaho and Cheyenne tribes for twenty-seven million acres of their ancestral lands. Her relentless pursuit of the truth wil...

The Man Who Fell from the Sky

By Margaret Coel

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New York Times bestselling author Margaret Coel returns to Wind River with Arapaho attorney Vicky Holden and Father John O’Malley investigating a lethal link between legendary outlaw Butch Ca...

Winter's Child

By Margaret Coel

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Margaret Coel’s New York Times bestselling series continues as Arapaho attorney Vicky Holden and Father John O’Malley discover that a centuries-old mystery is tied to a modern-day crime...

Watching Eagles Soar

By Margaret Coel

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In this thrilling collection of short stories, New York Times bestselling author Margaret Coel invites you to follow Father John O’Malley and Vicky Holden further into the hidden mysteries an...

The Spider's Web

By Margaret Coel

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Arapaho attorney Vicky Holden agrees to represent a woman accused of murdering her Arapaho fiancé, a decision that places her at odds with her own people-and Father John O'Malley-for choos...

The Shadow Dancer

By Margaret Coel

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With the disappearance of a young man and his old friend Vicky Holden accused of murder, Father John O'Malley must prove his hunch that both events are connected to a dangerous sect leader known as...

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.