The Canals of Mars is a memoir that explores and ponders "weakness," which in Gary Fincke's family was the catch-all term for every possible human flaw-physical, psychological, or spiritual. Fincke grew up near Pittsburgh during the 1950s and 1960s, raised by blue-collar parents for whom the problems that beset people-from alcoholism to nearsightedness to asthma to fear of heights-were nothing but weaknesses.
In a highly engaging style,...