Jeffro Johnson Books

Cirsova: Heroic Fantasy And Science Fiction Magazine
Astounding Frontiers Issue #4: Give Us 10 Minutes And We Will Give You A World
The Enchantress Of Venus
The Enchantress Of Venus

By Jeffro Johnson, Leigh Brackett, Startwo

Average: 0.00, 0 Ratings

Dark Secrets Of An Inhuman Race Lie Hidden Beneath The Seas Of Venus Eric John Stark Travels The Shores Of Venus' Gaseous Red Seas Seeking The Whereabouts Of A Missing Comrade. Pursuing This Myster...

Read More
Appendix N
Appendix N

By Jeffro Johnson

Average: 0.00, 0 Ratings

Read More
Penultimate Men
Astounding Frontiers Issue #5: Give Us 10 Minutes And We Will Give You A World
Appendix N : The Literary History Of Dungeons & Dragons
Cirsova #3: Heroic Fantasy And Science Fiction Magazine

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