6 p.m. – Dr. Eben Alexander discusses his book “Proof of Heaven: A Neurosurgeon’s Journey into the Afterlife” at Holy Innocents’ Episcopal Church. Open to the community. $10 suggested donation, with funds going to the church’s youth ministries. Book signing at 6 p.m.; discussion at 7 p.m. 805 Mount Vernon Highway, Sandy Springs, 30327. Call 404-751-2907 for more information: www.holyinnocents.org .