William Hartston

The Encyclopaedia of Everything Else : The Ultimate A-Z of Bizarre Information

William Hartston

Numb and Number : How to Avoid Being Mystified by the Mathematics of Modern Life

William Hartston

A Brief History of Puzzles : 120 of the World's Most Baffling Brainteasers from the Sphinx to Sudoku

William Hartston

Sloths : A Celebration of the World's Most Misunderstood Mammal

William Hartston

The Bumper Book of Things That Nobody Knows : 1001 Mysteries of Life, the Universe and Everything

William Hartston

Even More Things That Nobody Knows : 501 Further Mysteries of Life, the Universe and Everything

William Hartston

The Things that Nobody Knows : 501 Mysteries of Life, the Universe and Everything

William Hartston