Many people contributed to this edition with advice, suggestions, pictures, and other materials. Our sincere thanks to the following people: Steve Paskay, Hank Bargine, Chris Wooley, Alan Lifton, Mara Alper, Chris Strobel, Courtney Connell, Brandon Neuman, Taylor Mahoney, Ashley Silvester, Samatha Schutter, Leah Nobel, Joe Chitwood, Dale Hoskins, Charlie Hicks, and Kurt Lancaster, Sarah Medoff, Natalie Medoff, Lynn Medoff, and Martin Christien.

Special thanks to Tom Tanquary, whose expertise and creativity is evident throughout the book.