"His enormous orange eyes slanted up and away from his nose like a pair of butterfly wings. A series of muscular looking ridges stretched from his eyes down to his lipless mouth...He smiled at himself in the mirror showing two rows of rounded purplish teeth."
This cover is probably closer to the mark:
or this French edition which was on track with the eyes:
Anyway, it's still all good fun and a great read. To learn more about the author visit this site; it's worth a look: