[en] Among the Creationists ·Dispatches From the Anti-Evolutionist Front Line Oxford University Press, USA
[en] Among the Creationists OUP Us
[en] Games for Your Mind PrincetonUP
[en] Taking Sudoku Seriously · The Math Behind the World's Most Popular Pencil Puzzle Oxford University Press, USA
[en] Four Lives · A Celebration of Raymond Smullyan Dover Publications