Walter Murdoch, a popular broadcaster and public speaker, was one of Australia's bestselling 20th-century authors. Murdoch published weekly essays in The Argus and other newspapers from the 1930s to the 1950s, and his books sold tens of thousands of copies. Like all great essayists, Murdoch was able to educate by entertaining, drawing unexpected and often quirky links between previously unconnected subjects. On Rabbits, Morality, Etc. is an amusing...