The special edition all includes the same content as the standard edition, but it’s even more beautiful. It’s got a luxury binding of deep red book cloth*, foiled and silkscreen printed to capture the rotting grandeur of the Isles.
(* It’s not the same fabric the Crown uses to clothe its doomed soldiers on foreign battlefields, but it’s as close as Rowan, Rook, and Decard could get without (a) invading another reality and (b) looting a lot of corpses.)