Posted on February 22, 2018February 23, 2018 by PJ SlingerWeb extra! Dan Barker’s ‘Free Will Explained’ book-signing event Dan barker reads from his book “Free Will Explained” at a book-signing event at FFRF’s Freethought Hall in downtown Madison, Wis., on Feb. 13, 2018. Books by Dan Barker for sale. Lisa Treu prepares to welcome guests. A bowl of candy hearts Monica Schwartz gets ready to greet visitors. Heart-shaped cookies. Appetizers and sweets FFRF’s Kristina Daleiden (center) talks with a member. Monica Schwartz (left) and Lisa Treu help register guests at the door. Dan Barker signs a book for a member. FFRF Videographer Bruce Johnson checks his equipment. Dan Barker performs songs on the piano and sings. Dan Barker signs a book for a member. Audio technician Buzz Kemper hams it up for the camera. FFRF Attorney Ryan Jayne plays piano while guests mingle. Dan Barker signs a book for a member. FFRF Co-President Annie Laurie Gaylor gives a short talk. Lisa Treu (left) and Monica Schwartz check in a member. Guests listen to Dan Barker discuss his book. Dan Barker talks about “Free Will Explained.” The audience listens to Dan Barker read from his book. Monica Schwartz (left) helps a member sign in.