Proceedings of the Second Artificial Intelligence and Interactive Digital Entertainment International ConferenceJohn Laird, Jonathan Schaeffer · First published 2006Open the Tome
Gaiam Real Goods solar living sourcebookJohn Schaeffer, Doug Pratt · First published 2005Open the Tome
Alternative Energy Sourcebook (Real Goods Solar Living Sourcebook)John Schaeffer · First published 1992Open the Tome
Over the Alleghenies by the northwestern Turnpike, now the great scenic Federal HighwayJohn Randolph Schaeffer · First published 1987Open the Tome
