William Hartston is a Cambridge-educated mathematician and industrial psychologist. Between 1962 ...

There are many, many more things that nobody knows...!Why do we have five fingers? Do animals hav...

A history of the great puzzles of the past, featuring 120 selections which have challenged ancien...

In public estimation and scientific investigations, sloths have undergone an astonishing transfor...

In public estimation, sloths have undergone an astonishing transformation in the course of the pa...

Like it or not, our lives are dominated by mathematics. Our daily diet of news regales us with st...

There are many, many things that nobody knows...Do animals have a sense of humour? Why do we have...

A fascinating exploration of the limits of human knowledge of our planet, its history and culture...

Useless information - we can't get enough of it. Everywhere you look these days, there is a new b...

Most encyclopaedias are boring. They are so packed with worthy but dull facts that a great deal o...

The first mainstream history of humour. Hilarious and well-researched, this book from household n...