Jonathan Gems Books

Mars Attacks
Mars Attacks

By Jonathan Gems

Average: 0.00, 0 Ratings

Read More
Mars Attacks
Mars Attacks

By Jonathan Gems

Average: 0.00, 0 Ratings

Read More
Mars Attacks
Mars Attacks

By Ron Fontes, Jean Little, Jonathan Gems

Average: 0.00, 0 Ratings

The Martians are attacking and no one seems to know how to stop them.

Read More
Susan s Breasts
Susan s Breasts

By Jonathan Gems

Average: 0.00, 0 Ratings

Read More
Mars Attacks Memoirs
Mars Attacks Memoirs

By Mila Pop, Jonathan Gems

Average: 0.00, 0 Ratings

Read More
The tax exile
The tax exile

By Jonathan Gems

Average: 0.00, 0 Ratings

Read More
Mars Attacks!

Related Articles from our Blog

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.

Read More