Tracklisting
1. The Ides of March (01:46)
2. Wrathchild (02:55)
3. Murders in the Rue Morgue (04:19)
4. Another Life (03:24)
5. Genghis Khan (03:09)
6. Innocent Exile (03:54)
7. Killers (05:02)
8. Prodigal Son (06:13)
9. Purgatory (03:20)
10. Drifters (04:51)
11. Twilight Zone * (02:33)
= 00:41:26

* = bonus on various versions (Murray/Harris).

Produced, engineered and bullied by Martin "Headmaster" Birch.
Secondary engineer: Nigel Hewitt.
Recorded at Battery Studios, London, England.

All titles composed by Steve Harris except Killers by Paul Di'Anno and Steve Harris.

Front cover illustration: Derek Riggs.

Line-up (left to right):
Paul Di'Anno - vocals
Clive Burr - drums
Steve Harris - bass
Dave Murray - guitar
Adrian Smith - guitar