David Simpson

Before he was Oldtimer, he was Craig Emilson, a young doctor sucked into military service at the outbreak of World War III....

Inhuman is Book 5 in the best-selling, smash hit phenomenon, Post-Human series. Listeners will get to rejoin all of the characters they fell in love with along the way in the previous 4 audiobooks. Inhuman not only ties the first four audiobooks together, it also introduces a new villain, one...

In this sequel to Post-Human, humanity will be forced to face a future more advanced than it could have imagined if it wants to survive. Nineteen months have passed since the A.I. turned against humanity and was subsequently destroyed. In the meantime, James Keats has turned over the A.I.'s...

Before he was Old-timer, he was Craig Emilson, a young doctor, sucked into military service at the outbreak of World War III. Enlisting to become a Special Forces suborbital paratrooper, Craig is selected to take part in the most important mission in American military history - a sortie into...

The Post-Human Trilogy is done, but the Post-Human series is just heating up! Human Plus is fourth story in the smash hit science fiction series. Not exactly a sequel, not exactly a prequel, Human Plus will defy expectations. No matter what you thought was coming next, you're in for a surprise!...