Agent Kasper Books

Supernotes

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A tale inspired by the life of a top-level undercover spy for the CIA and Italian intelligence services finds Agent Kasper investigating a money-printing operation in North Korea, only to be betray...

Superdolares

By Luigi Carletti, Maria Pons Irazazabal, Agent Kasper, Juan Vivanco Gefaell

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Supernotes

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In the Cambodian hinterlands, a lone Western prisoner suffers through a hot, muddy, interminable sentence. Wasted by repeated torture, lack of sleep, malnutrition, and psychotropic drugs, he has be...

Supernotes Affair

By Luigi Carletti, John Cullen, Agent Kasper

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Supernotes Affair

By Luigi Carletti, John Cullen, Agent Kasper

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Supernotes

By Luigi Carletti, Agent Kasper

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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.