Valerio Varesi Books

A Woman Much Missed A Commissario Soneri Investigation

By Valerio Varesi

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The Lizard Strategy MacLehose Press Editions

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River of Shadows

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River of Shadows

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The dark valley

By Valerio Varesi

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It is autumn in Parma. Commissario Soneri decides to escape the city to return to his home village in the Appenines for a much-needed holiday. He plans to spend the time hunting for mushrooms on th...

The dark valley

By Valerio Varesi

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The dark valley

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Le fleuve des brumes collector

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La pension de la via Saffi

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Die Schatten von Montelupo

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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.