It is the sequel to The Hollow Chocolate Bunnies of the Apocalypse, winner of the 2003 SFX Magazine Best Novel Award.
One day, a drunk Eddie witnesses bright flashing lights and a copy of him appear in an alleyway.
Their investigations end up getting them in trouble with Inspector Bellis who arrests them on trumped up charges but lets them go in return for them promising to solve the mystery.
With proof of alien's involvement, they decide go back to Bill's house in Toy Town and follow the doppelgangers.
This time again the flying saucer tries to attack them and Jack destroys it by firing at it and throwing grenades that he stole from Bill's house.
At the police station, the other Jack is revealed to be a robot and he escapes the police station, steals a sulphuric acid truck and drives towards Area 52, chased by the LAPD in an armed helicopter and a lone Air Force jet.
There is a big collision at the entrance and half a dozen flying saucers are destroyed along with the robot Jack.
The head chicken, a queen, emerges from the body of the other Eddie and Dorothy wrings her neck and kills her.
Dorothy is revealed to be a vegetable from a different world, so Jack buries her he expects she will set roots and grow.