Justin Somper Books

Vampirates: Demons of the Ocean

By Justin Somper

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Vampirates: Tide of Terror

By Justin Somper

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Vampirates: Demons of the Ocean

By Justin Somper

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When twins Connor and Grace's ship is wrecked in a storm and Connor is rescued by pirates, he believes that Grace has been taken aboard the mythical Vampirate's ship, and he is determined to find her.

Vampirates: Tide of Terror

By Justin Somper

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Blood Captain

By Justin Somper

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While Connor faces trouble in the form of an obnoxious new crewmate, Grace, his twin sister, seeks out a vampirate guru who might be able to heal their dear friend Lorcan's blindness.

Vampirates: Blood Captain

By Justin Somper

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While Connor faces trouble in the form of an obnoxious new crewmate, Grace, his twin sister, seeks out a Vampirate guru who might be able to heel their dear friend Lorcan's blindness.

Vampirates: Empire of Night

By Justin Somper

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Vampirates: Immortal War

By Justin Somper

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Allies & assassins

By Justin Somper

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"Sixteen-year-old Jared inherits the throne of Archenfield after his older brother, Prince Anders, is murdered. He relies on the twelve officers of the court to advise him but soon suspects one of...

Allies assassins

By Justin Somper

Average: 0.00, 0 Ratings

"Sixteen-year-old Jared inherits the throne of Archenfield after his older brother, Prince Anders, is murdered. He relies on the twelve officers of the court to advise him but soon suspects one of...

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.