Mac Answers Certified Tech Support Author:Bob Levitus, Shelly Brisbin The Mac is back--more iMacs were sold in 1 week than in the history of any Apple product! The craze is continuing--Apple is spending $40 marketing the iMac. Bob Levitus is a well-known and revered Mac guru. Provides more than 400 expert answers to Mac questions--from installing software to networking Macs and PCs.