John Verdon Books

A Sharpened Axe

By Jill M. Beene

Average: 0.00, 0 Ratings

N'Ouvre Pas Les Yeux (Grand Format) (French Edition)

By John Verdon

Average: 0.00, 0 Ratings

Une jeune femme a été retrouvée décapitée le jour même de son mariage, dans la somptueuse propriété des Ashton. Tout accuse le jardinier mexicain, un certain Hector Flores, qui demeure introuvable...

Ancien alcoolique reconverti en gourou pour milliardaires dépressifs dans une clinique très privée, Mark Mellery reçoit un jour une lettre anonyme, lui demandant de se prêter à un petit jeu d'espri...

658

By John Verdon

Average: 0.00, 0 Ratings

N'Ouvre Pas Les Yeux

By John Verdon, N/A

Average: 0.00, 0 Ratings

Piter Pen dolzhen umeret

Average: 0.00, 0 Ratings

Se Lo Que Estas Pensando

By JOHN VERDON

Average: 0.00, 0 Ratings

Think of a Numb3r

Average: 0.00, 0 Ratings

I Saw You

Average: 0.00, 0 Ratings

This anthology of comics inspired by real-life missed connection ads posted on Craigslist and in local papers around the country will tug at your heartstrings and make you think. Lonely hearts, rom...

Let The Devil Sleep

By John Verdon, Verdon John, Verdon; John

Average: 0.00, 0 Ratings

In this latest novel from bestselling author John Verdon, ingenious puzzle solver Dave Gurney puts under the magnifying glass a notorious serial murder case – one whose motives have been enshrined...

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.