Mole activity increases in the summer. If you have found you simply cannot tolerate “nature’s rototiller” than take a look at the book Of Moles and Men: the Battle for the Turf by Patrick H Thompson (Aardvark Avanti, $29.95). With humorous chapters like Know the Enemy and Primitive Tools for Civilized Men Thompson details the pros and cons of mole control. Additional information from Washington Cooperative Extension.