Book of Lightning is the ninth studio album by The Waterboys, released on 2 April 2007 through W14/Universal Records. The album contains ten tracks, produced by Mike Scott and Philip Tennant, with musical contributions from Steve Wickham (fiddle), Richard Naiff (keyboards), Brady Blade (drums), Mark Smith (bass), Leo Abrahams (lead guitar), Jeremy Stacey (drums) plus long-time Waterboys alumni Roddy Lorimer (trumpet), Chris Bruce (lead guitar) and Thighpaulsandra (keyboards).