"Kayak Morning: Reflections on Love, Grief, and Small Boats" (Ecco), by Roger Rosenblatt: A year after his only daughter died at age 38 of an asymptomatic heart condition, Roger Rosenblatt wrote an essay in The New Yorker titled, "Making Toast." He describes how he and his wife moved into Amy's house in Bethesda, Md., to help their son-in-law care for the couple's three small children, .....