Leighton Gage Books

Perfect Hatred Lib E

By Jonathan Davis, Leighton Gage

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The Ways of Evil Men

By Leighton Gage

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The Ways of Evil Men

By Jonathan Davis, Leighton Gage

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Blood of the wicked

By Leighton Gage

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"At the start of Gage's bloody debut, Chief Insp. Mario Silva is asked by his boss, the director of the Brazilian Federal Police, to solve the murder of Bishop Dom Felipe Antunes, who was assassina...

Buried strangers

By Leighton D. Gage

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In Sao Paulo, Brazil, Chief Inspector Mario Silva of the federal police based in Brasilia and his team of investigators, Hector Costa and Arnaldo Nunes, are called in to investigate a mass murder--...

Dying gasp

By Leighton Gage

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The granddaughter of a prominent politician is missing. Silva and his team find her in Manaus, a jungle hellhole on the Amazon where an evil female doctor is making gory snuff films. Silva must ove...

Dying Gasp

By Leighton Gage

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The ways of evil men

By Leighton Gage

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"As Chief Inspector Mario Silva has learned, justice is hard to come by in Brazil, so when his niece tells him about a possible genocide deep in the jungle, he agrees to round up his team and chart...

The Ways of Evil Men

By Leighton Gage

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The Awana tribe, who live in the remote Amazon jungle in the Brazilian state of Pará, have dwindled to only 41 members—and now 39 of them have dropped dead of what looks like poison. T...

Le Sang des maudits

By Leighton Gage

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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.