Margaret Coel Books

The Thunder Keeper

By Margaret Coel

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The Thunder Keeper

By Margaret Coel

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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 Shadow Dancer

By Margaret Coel

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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...

Killing Raven

By Margaret Coel

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Killing Raven

By Margaret Coel

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The discovery of a white man's body on the Wind River Reservation has Father John O'Malley trying to keep the peace. Meanwhile, the newly opened Great Plains Casino--with Vicky Holden as its in-hou...

Wife of Moon

By Margaret Coel

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Eye of the Wolf

By Margaret Coel

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This is for the Indian priest.The cryptic message was clearly meant for Father O’Malley. The unemotional voice on the answering machine, speaking of revenge against old enemies, wanted O’Malley to...

The drowning man

By Margaret Coel

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When a priceless Arapaho artifact, a petroglyph known as "The Drowning Man," is stolen, Arapaho attorney Vicky Holden and Father John O'Malley join forces to find the culprits, only to discover tha...

The Girl With Braided Hair Berkley Prime Crime Mysteries

By Margaret Coel

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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.