Did you know that Petaluma has a river that runs through it? Come by the Petaluma Arts Center Thursday, July 1st for an evening of poetry and prose about said river.Starts at 7 p.m. Readers are contributors to the The Voice of the River Book created by Patti Trimble and Susan Starbird as part of an ongoing P. River consciousness-raising project. Yours truly, among many others, is one of those readers. Free to the public.