Gray Barker

They knew too much about flying saucers

1996

Visitors From Lanulos

2014

The silver bridge

2012

Silver Bridge

2015

Serpents of Fire

2017

Men in Black

2012

Case for the UFO

2014

Your Part in the Great Plan

2017

Wright Field Story

2014

When Men in Black Attack

2015

We Met Valiant Thor and the Space People

2016

Watcher

2017

Wall of Light

2017

Visitors from Lanulos (Original Edition)

2021

Valiant Thor's Venusian Health Magic

2016

Valiant Thor's Unlimited Power of Prayer

2017

Valiant Thor's Science of Ascension

2018

Valiant Thor's Guide to the Inner Earth

2017