Bill H. Doyle Books

Nabbed! The 1925 Journal of G. Codd Fitzmorgan (Crime Through Time, No. 2)

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In 1925, fourteen-year-old amateur detective G. Codd Fitzmorgan finds himself at a lavish party in a storm-battered island mansion, embroiled in a mystery involving a seance, a missing aviator, and...

Crime Through Time 6 Trapped

By Bill Doyle

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Betrayed

By Bill H. Doyle

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Iced

By Bill H. Doyle

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Nabbed

By Bill H. Doyle

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Swindled

By Bill H. Doyle

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Trapped

By Bill Doyle

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Attack of the Shark-Headed Zombie

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New to the Random House list is author Bill Doyle with a tale of monsters, magic, and mayhem.After Keats and Henry lose their bikes, they need money—fast. So the help-wanted ad at the supermarket s...

Attack Of The Sharkheaded Zombie

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The Werewolf at Home Plate

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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.