Roger Lichtenberg Simon Books

Los Angeles private detective Moses Wine has turned forty and is worried about his future. When Silicon Valley beckons, Moses jumps. He takes a position as head of security for the Tulip Computer C...

The Straight Man

By Roger Simon, Roger Lichtenberg Simon

Average: 0.00, 0 Ratings

After losing his high-paying job as a security officer, L.A. detective Moses Wine takes a job investigating a comic -- the straight man in the country's most popular comedy team -- who jumped off a...

Raising the Dead

By Roger Simon, Roger Lichtenberg Simon

Average: 0.00, 0 Ratings

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.