The debut album by British band Fleetwood Mac, released in 1968. The album is a mixture of blues covers and originals penned by guitarists Peter Green and Jeremy Spencer, who also share the vocal duties. It is the only album by the band without any involvement of keyboardist/vocalist Christine McVie. The release of the album brought the band overnight success; in the UK, the album reached No. 4 and stayed on the charts 37 weeks, despite the lack of a hit single.