This article is from the Tom Holt FAQ, by Nick Boalch email@example.com with numerous contributions by others.
When I changed publishers from Macmillan to Orbit, they commissioned
Kirby covers for the hardback of "Flying Dutch" and the paperbacks of the
first two. They stayed with Kirby for "Ye Gods" and the hardback of
"Overtime", then commissioned a brilliant artist called Steve Lee to do
the paperback of "Overtime". Steve's designs went down well with the book
trade, so they reissued the backlist titles with Lee covers (this means "
Expecting Someone Taller" has had 3 different paperback covers; the
ghastly one put on it by Macdonald when it first came out, the Kirby
effort and the Steve Lee version) Steve did all my jackets down to "Open
Sesame"; at that point there was some sort of falling-out between him and
the Orbit people, and he isn't going to do any more (a pity, if you ask
me) For the "Wish You Were Here" hardback, they've taken an entirely
different approach; I'm slightly underwhelmed by the WYWH cover, but
from what I've seen of the roughs for the next one, "Only Human", I think
they may well be on to something.