* No, the source code no longer exists in readable form: it's on a TRS-80 cassette tape that has been lost to the ages.
Pictured below is a quick preview of the book covers. Click the image to see it at full size:

Bonus: Someone had the same idea I did and ran with it much farther. Brad: The Game is a very tasteless web game with all the Choose Your Own Adventure interactivity and all the New York Subway tastelessness (perhaps even more!). I've played it many times, and have ended up dead, joining the Greek Navy, found my pants and scored 72 times in a single night.

I seem to recall crying about that.