Various on Amazon.co.uk:
Daily Deal:
Melissa F Olsen: Midnight Curse (Bk 1 of Disrupted Magic) at 99p
https://www.amazon.co.uk/gp/product/...d_i=1000577623
Monthly Deals:
Maria V Snyder: A Taste of Darkness (Avry of Khazan Bk 3) at 99p (the other 2 books are also 99p)
https://www.amazon.co.uk/Taste-Darkn...6345990&sr=1-7
(The full series:
https://www.amazon.co.uk/gp/product/...ies_rw_dp_labf)
Raymond E Feist: Magician (Riftwar Saga Bk1) at £1.49
https://www.amazon.co.uk/Magician-Ri...6345990&sr=1-9
Neal Stephenson: Snow Crash at £1.99
https://www.amazon.co.uk/Snow-Crash-...345990&sr=1-10
Adrian Tchaikovsky: Children of Time at 99p
https://www.amazon.co.uk/Children-Ti...6345990&sr=1-1
Bernard Cornwell: Enemy of God (The Warlord Chronicles Bk 2) at £1.99
https://www.amazon.co.uk/Enemy-God-A...6345990&sr=1-5