Powers of Two: Finding the Essence of Innovation in Creative ...
Joshua Wolf Shenk
... Stephen Douglas for the Heart and Soul of America (Washington, DC: Smithsonian, 2008). JackNicklausversusArnoldPalmeringolf:IanO'Connor, Arnie&Jack:Palmer,Nicklaus,andGolf'sGreatestRivalry(Boston: HoughtonMifflinHarcourt,2008).