De Castrique, Mark Books

Hidden Scars

By Mark De Castrique, De Castrique, Mark

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2018 Thomas Wolfe Memorial Literary Award nominee "With its strong sense of place, depiction of racial tension that still lingers in the new South, and appealing sleuths, de Castrique's well-plotte...

Final Undertaking: Buryin' Barry Mystery

By Mark De Castrique, De Castrique, Mark

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"De Castrique offers original plots, strikingly human characters, and a heartwarming portrait of American culture. His writing is to be savored." —Library Journal STARRED review When Barry Clayton'...

Final Undertaking (Large Print Edition): Buryin' Barry Mystery

By Mark De Castrique, De Castrique, Mark

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The Fitzgerald Ruse

By Mark De Castrique, De Castrique, Mark

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Former Chief Warrant Officer Sam Blackman lost a leg in Iraq and emerged from the V.A. hospital in Asheville, NC, as a bitter civilian without a job or a future. But when he solved a series of loca...

The Sandburg Connection

By Mark De Castrique, De Castrique, Mark

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It should have been routine, a simple assignment for PI Sam Blackman and his partner Nakayla Robertson. Follow a history professor who's suing a spinal surgeon for malpractice and catch her in phys...

Secret Undertaking

By Mark De Castrique, De Castrique, Mark

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Towns Like Gainesboro, North Carolina, May Be Small But Go Big On Local Traditions. When Funeral Director And Part-time Deputy Sheriff Barry Clayton And His Childhood Nemesis, Archie Donovan, Jr.,...

Risky Undertaking

By Mark De Castrique, De Castrique, Mark

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The Author Offers Insights Into The Political, Economic, And Cultural Ramifications Of Indian Casinos, Along With A Large Cast Of Believable Characters With A Wide Emotional Range. —publishers Week...

Bound By Mystery

By Diane D. DiBiase, Donis Casey, Palumbo, Dennis, Zoe Burke, Mark De Castrique, Moss. David, Steven Axelrod, Wortham, Reavis Z., King, Laurie R., Greenwood, Kerry, Royal, Priscilla, Sallis, James, Stein, Triss, De Castrique, Mark, Easley, Warren C, Ramsay, Frederick, Lane, J.C., Donellan, J.M., Siger, Jeffrey, Wagner, David P., Delany, Vicki, Hubbard, Janet, Reed, Mary, Mayer, Eric, Casey, Donis, Finnis, Jane, Murthy, Vasudev, Wall, Carolyn, Hinger, Charlotte, Dobson, M. Evonne, Axelrod, Steven, Burke, Zoe, Parker, Ann, DiBiase, Diane D., Garrett, Kelly, Littlewood, Ann, Maleeny, Tim, Whittle, Tina, Winn, Catherine A, Zobel, Melissa Tantaquidgeon

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In celebration of our 20th anniversary, Poisoned Pen Press has commissioned original short stories from thirty-five of its authors, past and present. Some names will be immediately recognizable to...

Hidden Scars

By Mark De Castrique, De Castrique, Mark

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Final Undertaking

By Mark De Castrique, De Castrique, Mark

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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.