The Big Book of People Skills Games: Quick, Effective Activities for Making Great Impressions, Boosting Problem-Solving Skills and Improving Customer ServiceEdward Scannell, Colleen RickenbacherJuly 26, 2010
Big Book of Brainstorming Games: Quick, Effective Activities that Encourage Out-of-the-Box Thinking, Improve Collaboration, and Spark Great Ideas!Mary Scannell, Mike MulvilhillApril 19, 2012