Ephemeris: A Science Fiction RPG    by J Alan Erwine
Price: $7.95 USD. 96960 words. Published by Nomadic Delirium Press  on August 23, 2011. .
The year is 2185. The human race has gone to the stars, and found that they're not alone. Local space is teeming with civilizations, some hostile, some friendly, and some indifferent. This is the universe of Ephemeris. Ephemeris is a game of galactic trade and galactic conquest; of inter-species conflict and cooperation. Ephemeris is a science fiction role playing game.

Mission of Trade, or Mission of Mercy: An Ephemeris RPG adventure    by J Alan Erwine
Price: $3.00 USD. 6170 words. Published by Nomadic Delirium Press  on September 4, 2011. .
A simple trading mission turns into a mission of mercy on behalf of an entire planet of Melanathee. This is an adventure designed for 1st level characters, and is designed to be very straightforward for players and Game Masters that are new to the Ephemeris game.

The Arbonix Sourcebook: An Ephemeris RPG supplement    by J Alan Erwine
Price: $2.00 USD. 4230 words. Published by Nomadic Delirium Press  on September 5, 2011. .
An Ephemeris RPG sourcebook to help round out the Arbonix species. You'll be introduced to two Arbonix-specific sub-classes, a genetic variation of the standard species, new equipment geared towards the Arbonix character and their unique skills, and a form of combat that is only available to the Arbonix.

The Bandit's Sourcebook: An Ephemeris RPG Supplement    by J Alan Erwine
Price: $3.00 USD. 9050 words. Published by Nomadic Delirium Press  on September 5, 2011. .
In the Ephemeris core rulebook, we introduced you to the Bandit...now see what else you can do with the Bandit. The Bandit's Sorucebook features eight new sub-classes, as well as new skills, weapons, armor, and goods that are designed to help round out the Bandit class.

The Diplomat's and Explorer's Sourcebook: An Ephemeris RPG Supplement    by J Alan Erwine
Price: $5.00 USD. 14170 words. Published by Nomadic Delirium Press  on September 5, 2011. .
In the Ephemeris core rulebook, we introduced you to the Diplomat and the Explorer...now see what else you can do with the Diplomat and Explorer. The Diplomat's and Explorer's Sorucebook features several new sub-classes for each class, and it also features new skills, weapons, armor, and goods that are designed to help round out the Diplomat and Explorer classes.

The Human Sourcebook: An Ephemeris RPG supplement    by J Alan Erwine
Price: $2.00 USD. 4440 words. Published by Nomadic Delirium Press  on September 7, 2011. .
An Ephemeris RPG sourcebook to help round out the Human species. You'll be introduced to two Human-specific sub-classes, a genetic variation of the standard species, new equipment geared towards Human characters and their unique skills, and skills that are only available to the Humans. Plus you'll learn a little more about who the Human are, and how they perceive the universe.

The Scientist's Sourcebook: An Ephemeris RPG Supplement    by J Alan Erwine
Price: $3.00 USD. 10030 words. Published by Nomadic Delirium Press  on September 7, 2011. .
In the Ephemeris core rulebook, we introduced you to the Scientist...now see what else you can do with the Scientist. The Scientist's Sorucebook features eight new sub-classes, it also introduces you to an easy to use research system, and it features new skills, weapons, armor, and goods that are designed to help round out the scientist class.

The Trader's Sourcebook: An Ephemeris RPG supplement    by J Alan Erwine
Price: $5.00 USD. 16080 words. Published by Nomadic Delirium Press  on September 8, 2011. .
In the Ephemeris core rulebook, we introduced you to the Trader...now see what else you can do with the Trader. The Trader's Sorucebook features six new sub-classes, it also introduces you to the interstellar Trade Guilds, and it features new skills, weapons, armor, and goods that are designed to help round out the Trader class.

The Tulmath Sourcebook: An Ephemeris RPG Supplement    by J Alan Erwine
Price: $2.00 USD. 4490 words. Published by Nomadic Delirium Press  on September 8, 2011. .
An Ephemeris RPG sourcebook to help round out the Tulmath species. You'll be introduced to two Tulmath-specific sub-classes, two variations on the standard species, new equipment geared towards the Tulmath character, and a ship designed for the special Tulmath Trader class. Plus you'll learn a little more about who the Tulmath are, and how they perceive the universe.