Paul Crilley Books

Towering Yarns

By Teresa Patterson, Arthur C. Clarke, Christian W Smith, Janny Wurtz, John Helfers, Paul Crilley, William H Keith, Charles Sheffield, Jody Lynn Nye, Mike Resnick

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Oracle of the Morrigan

By Tiffany Trent

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While reluctantly agreeing to help gather the rathstones to open Hallowmere, Sibohan is thrown back to twelth-century Scotland, to the beginning of the conflict with the Unhallowed.

Rise of the Darklings

By Paul Crilley

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After saving a piskie's life, twelve-year-old Emily Snow finds herself in the middle of a centuries-old war between rival fairy factions and a secret society named The Invisible Order.

To stop the warring fairy courts from destroying their world, Emily, Jack, William, and piskie Corrigan, aided by Christopher Wren, must try to prevent the 1666 Great Fire of London from burning th...

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.