I had a copy of the original plans, and as i recall, the top of the fuselage is flat, making building it as easy as a Kaos. The plans called for foam wings which are still available. The plans for the Deception are still copyright belonging to Airage and available from the airagestore.

http://www.airagestore.com/deception.html

Foam cores are available from Eurekaaircraft.com

http://www.eurekaaircraft.com/foamwings/wing-d.htm