The May Madness Sale is posted on Amazon.co.uk; of interest are:
Sabriel, by Garth Nix (
book 1 of the Old Kingdom) at 99p
REPEAT
https://www.amazon.co.uk/Sabriel-int...235482&sr=1-42
The Martian Chronicles, by Ray Bradbury at 99p
https://www.amazon.co.uk/Martian-Chr...235530&sr=1-73
On the Edge, by Ilona Andrews (
book 1 of The Edge) at 99p
https://www.amazon.co.uk/Edge-Ilona-...235553&sr=1-91
The Sirens of Titan, by Kurt Vonnegut at 99p
REPEAT
https://www.amazon.co.uk/Sirens-Tita...35598&sr=1-117
The Book of Phoenix, by Nnedi Okorafor at 99p (
note that this has been included in either a StoryBundle or a HumbleBundle previously)
https://www.amazon.co.uk/Book-Phoeni...35637&sr=1-149
Anno Dracula: One Thousand Monsters, by Kim Newman at £2.19
https://www.amazon.co.uk/Anno-Dracul...35657&sr=1-164