That was one book I always wanted to purchase and years later I bought one at Dragonmeet. I learned from the seller that it was from the original print run and he still had a box of them remaining.There's also an older, bespoke, Luther Arkwright game (out of print now, though I believe the IP owner was still selling NOS a few years ago).
Rogue Trader RPG handles it passably...They need to do an RPG of this
Battlefleet Gothic - Wikipedia
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