In her new book , " Gardening at the Dragon 's Gate : At Work in the Wild and Cultivated World " -- part memoir , part Sunset Magazine sitting on the floor mindfully eating a raisin in the zendo -- she ponders such questions as whether it 's O.K. for life-embracing Buddhists to crush snails ( ask forgiveness first ) or to trap gophers ( breathe deep , then fence instead ) .