Chris Grabenstein
1) Armageddon
Author
Description
Daniel faces dastardly Number Two, who has slowly been amassing an underground army of aliens to help him enslave Earth's population in preparation for the arrival of Number One, the most powerful alien in the universe and Daniel's arch-nemesis.
2) Lights out
Author
Formats
Description
"Daniel X is finally ready to take on the universe's most evil alien outlaw that killed his parents years ago, but he will need all his friends--and superpowers--to make it out alive"--