McNamara John Books

Revenge of the nerd

Average: 0.00, 0 Ratings

A ninth-grade genius with a reputation for being a nerd wreaks revenge on his tormentors using his latest science project, by which he can invade their homes via their television screens.

Model behavior

By McNamara John

Average: 0.00, 0 Ratings

A shy high school senior and a famous teenage model meet and find romance under unusual circumstances.

Model Behaviour

By John Mcnamara, McNamara John

Average: 0.00, 0 Ratings

A shy high school senior and a famous teenage model meet and find romance under unusual circumstances.

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.