Bryan Talbot's...
...very excellent sci-fi series, The Adventures of Luther Arkwright, is now available through Dark Horse's iPad app/digital store.
https://digital.darkhorse.com/profile/1797.adventures-of-luther-arkwright-2nd-edition/
Alternative histories, time travel, psionics, aliens - this has the lot. It's a cracker, and I commend it to the house.