How to solve itAn introduction to heuristics, the study of the methods and rules of discovery, invention and human problem solving. First published in 1945, it provides a modern contribution to a subject that has had a considerable revival and is emphasized in GCSE mathematics and science.

The Papal authorities commission prosecutor Stefano Bracchi to investigate

The family continued to dominate Central Europe until the catastrophe of the First World War

the man who fell in love with his 17-year-old distant cousin-in-law when he was 34 - and thus began a love that lasted 57 years

In 1939 the Germans don't just have radar to spot planes entering their airspace

Over that first year

One is visiting her sister

a million to one

While many stories of Anne Boleyn's downfall have been told

Monochrome is now circling the drain

in the magical arena

by language and by geography

her ancestry