Hansen is the author of the books The Gambit Guide to the English Opening 1...e5 (1999), The Symmetrical English (2001), The Nimzo-Indian: 4. e3 (2003), and Improve Your Positional Chess (2005).
Hansen er forfatter af bøgerne The Gambit Guide to the English Opening 1...e5 (1999), The Symmetrical English (2001), The Nimzo-Indian: 4. e3 (2003) og Improve Your Positional Chess (2005).