Encyclopaedia Britannica General Knowledge Trivia Scratch SolveRaymond Hamel · First published 2010Open the Tome
Scratch Solve Encyclopedia Britannica Arts Science TriviaRaymond Hamel · First published 2010Open the Tome
Challenging 30-Minute CrosswordsBob Klahn, Frank Longo, Rich Norris, Harvey Estes, Dave Tuller, Martin Ashwood-Smith, Mel Rosen, Raymond Hamel, Manny Nosowsky, Patrick Jordan · First published 2005Open the Tome
Great 30-Minute CrosswordsMartin Ashwood-Smith, Raymond Hamel, Bob Klahn, Rich Norris, Nancy Salomon · First published 2004Open the Tome
International Directory of PrimatologyLawrence Jacobsen, Raymond Hamel · First published 1997Open the Tome