If you check on that site that you have to bid on(if you know what I mean) go to the RC section in hobbies. There is an area just for plans and templates. There is a guy there that sells the plans for that kit. I do not know if he also sells the instruction manual, but I am building that very kit right now and do have the written instruction manual. You do some building on the plans themselves, but not the entire plane. If you cannot find the manual, Email me and I can copy mine and mail it to you. You also have to remember that that kit is about 30 to 40 years old and back then, the written instructions were not anywhere as good as they are now.
Kevin