books by author
David Wells
The Penguin Book of Curious And Interesting Puzzles (Penguin science)
The Penguin Book of Curious And Interesting Mathematics (Penguin mathematics)
Mindbenders and Brainteasers: 100 Maddening Mindbenders and Curious Conundrums: Where Maths Meets Creative Thinking
Tony Blair: Making Labour Liberal
The Reluctant Disciple: Daring to Believe
