We thank these people for their help as we wrote both editions of this book:

• Jack Jones
• Jack Freund
• Wade Baker
• Jim Lipkis
• Thomas Lee
• Christopher “Kip” Bohn
• Scott Stransky
• Tomas Girnius
• Jay Jacobs
• Sam Savage
• Tony Cox
• Michael Murray
• Patrick Heim
• Cheng‐Ping Li
• Michael Sardaryzadeh
• Stuart McClure
• Rick Rankin
• Anton Mobley
• Vinnie Liu
• SIRA.org Team
• Dan Geer
• Robert Brown

Also, a special thanks to the rest of the team at Hubbard Decision Research for their help with analysis and proofing including

• Elizabeth Swan
• Peter Mallik
• Philip Martin
• Bobby Weant
• Andrew Adams
• Richie Modad