You attempt to write a review with a stiff dose of objectivity, but it’s hard not to start with a degree of fondness for an anthology put together by a magician who has performed in North Korea. Dale Salwak also has a sideline as a professor of literature at Citrus College in Los Angeles, and Writers and their Mothers is a collection of 22 pieces he has edited, by novelists, poets and literary critics, some biographical and analytical, some autobiographical.