Leo Frankowski's time-travel-based series (
http://www.fantasticfiction.co.uk/f/leo-a-frankowski/) about a Polish Engineer who gets sent back in time - and decides to improve things is (unabashedly sexist) and light-hearted, and quite funny.
He does/did (he passed away recently) have one of the worst websites ever, though (
http://www.leofrankowski.com/)