The next two titles in the Led Zeppelin catalog reissue campaign are out today (Monday). Like Led Zeppelin 1, 2 and 3, which were reissued in June, Led Zeppelin 4 and Houses of the Holy have been remastered by Jimmy Page and loaded with bonus material and are available in numerous configurations.

The deluxe edition of Led Zeppelin 4 contains an unreleased version of every song on the album, including “Stairway to Heaven.” Houses of the Holy adds another seven unreleased tracks. Up next for the reissue treatment is Physical Graffiti early next year.

The first three reissues — Led Zeppelin 1, 2 and 3 — debuted in the Billboard Top 10 when they were reissued in June with combined first-week sales of more than 103,000.