Books

Directive 51 Directive 51
2010
Encounter with Tiber Encounter with Tiber
2013
Daybreak Zero Daybreak Zero
2011
The Last President The Last President
2013
The Timeline Wars The Timeline Wars
2017
Patton's Spaceship Patton's Spaceship
2014

Audiobooks

Directive 51: Daybreak, Book 1 (Unabridged) Directive 51: Daybreak, Book 1 (Unabridged)
2010
Daybreak Zero: Daybreak, Book 2 (Unabridged) Daybreak Zero: Daybreak, Book 2 (Unabridged)
2011
The Year's Top-Ten Tales of Science Fiction 4 (Unabridged) The Year's Top-Ten Tales of Science Fiction 4 (Unabridged)
2012
The Last President: Daybreak, Book 3  (Unabridged) The Last President: Daybreak, Book 3  (Unabridged)
2013
Timeless Time Travel Tales (Unabridged) Timeless Time Travel Tales (Unabridged)
2012
The Year's Top Ten Tales of Science Fiction 8 (Unabridged) The Year's Top Ten Tales of Science Fiction 8 (Unabridged)
2016