Eric Perlman Masters of Stone VI - Breakthrough The Cutting Edge Masters of Stone II - Hard Rock Masters of Stone V Masters of Stone IV - Pure Force Skiing Extreme IV : Extreme Force Masters of Stone I Masters of Stone I Masters of Stone III - Third stone from the sun Masters of Stone III - Third stone from the sun Masters of Stone VI - Breakthrough Masters of Stone VI - Breakthrough Skiing Extreme I Skiing Extreme I Skiing Extreme II Skiing Extreme II Skiing Extreme III Skiing Extreme III