Wizzley author for 7 years.
The Killgrace science-fiction series: Two scientists, one purely alien, one advanced humanoid, trapped on Earth in the past. Their only way home is the long way, living it straight without disturbing events too much, but the world they came from was at war - and they weren't on the same side.
These articles hold author research and extras for the stories - spoilers are avoided where possible. (Migrated from Squidoo following that site's closure)