The Book of Love is the fourteenth studio album by British/Australian soft rock duo Air Supply, released in 1997.

The album was a serious attempt for the band to penetrate the charts, mainly focusing on mature adult contemporary songs.

[1] Though the album didn't have any chart entries, the singles "So Much Love" and "When I Say" have gained critical acclaim in USA, although in Asia the single "Strong Strong Wind" was a big hit.

The latter song was also recorded by the American band Heart for their 1998 compilation Greatest Hits.

All tracks are written by Graham Russell, except where notedAir Supply Additional musicians