After MS-DOS for dummies , came PC 's for Dummies by Gookin , and Andy Rathbone . Other popular ... For Dummies books are The Internet for Dummies by John Levine , Carol Baroudi , and Margaret Levine Young , and Beginning Programming for Dummies by Wallace Wang . While initially the series focused on software and technology topics ( and still does ) , it later branched out to more general-interest titles , with topics as diverse as Acne for Dummies , Chess for Dummies , Fishing for Dummies , C for Dummies , and many other topics .