Roger Ma Books

Muy fan. Zombis
Muy fan. Zombis

By Miguel Anton, Roger Ma

Average: 0.00, 0 Ratings

Read More
Zombie Combat Field Guide
Zombie Combat Field Guide

By Roger Ma

Average: 0.00, 0 Ratings

Read More
Vampire Combat Field Guide
Vampire Combat Field Guide

By Roger Ma

Average: 0.00, 0 Ratings

Read More
The Zombie Combat Manual
The Zombie Combat Manual

By Roger Ma

Average: 0.00, 0 Ratings

The Zombie Combat Manual is a comprehensive guide that demonstrates how anyone, from seasoned fighter to average citizen, can become an effective warrior in the inevitable battle against the undead...

Read More
The Vampire Combat Manual
The Vampire Combat Manual

By Roger Ma

Average: 0.00, 0 Ratings

WHEN DARKNESS FALLS… WHEN THE UNDEAD RISE WITH A HUNGER FOR BLOOD… WHEN THE HUNT IS ON—AND YOU ARE THE PREY… WILL YOU BE READY? In the inevitable event of a vampire attack, the average citizen will...

Read More
Work Your Money Not Your Life
Work Your Money Not Your Life
Work Your Money Not Your Life
Zombie Combat Field Guide
Zombie Combat Field Guide

By Roger Ma

Average: 0.00, 0 Ratings

Read More
Manual de combate zombi
Manual de combate zombi

By

Average: 0.00, 0 Ratings

Read More

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