California forests and the rich natural history of Sonoma County are brought to light with Fred Euphrat, forester and author of Sonoma Mandala, a collection of essays originally broadcast on KRCB radio’s “Native Sonoma.” Next, Donna Richardson Robbins, who has just published her father’s memoir Tractors, Trains, & Shipwrecks, Yesteryear recollections of Sonoma County, the handwritten anecdotes of Donald R Richardson joins host Suzanne Lang.