Live at Reading '81 has been issued on CD numerous times, including editions by Raw Fruit (UK, 1990), Grand Slamm (US, 1990), Repertoire (Germany, 1990), Jimco (Japan, 1990), Bruce Dickinson's short lived Air Raid label (UK, 2000), Castle Music (UK, 2001), and Dissonance Productions (UK, 2017). The Castle and Dissonance versions include 3 bonus tracks, "Red Skies", "Turn Out the Lights" and "Firing Line", 2-track recordings from a June 1981 rehearsal for the Shock Tactics tour. "Red Skies" and "Turn Out the Lights" were subsequently recorded with new vocalist Nicky Moore for the band's 1982 studio album, Before the Storm.
The song "Gravy Train" was re-worked and appears as "I'll Be 'Round" on Before the Storm.