This has been out of print for years, and secondhand physical copies often exceed $150. Using a scan for personal gaming or lore is common, but if you play regularly, consider supporting modern reprints or GW’s Warhammer Vault should they reissue it.
Just remember: The scans are a snapshot of a bygone era of 40k. The rules are dead, but the narrative is eternal. As the book famously ends: "No record remains of the final hours. Only the silence of the tomb." Imperial Armour 12 - The Fall of Orpheus -Scans-.pdf