Code breaking trimmed two years from the Second World War, says the blurb on the back of Action This Day (Transworld, £14.99). Editors Michael Smith and Ralph Erskine make good work of showing you how tough a job and how great a triumph that was for the people of Bletchley Park, Hertfordshire, where the Nazis’ Enigma code was cracked. ¿ìè¶ÌÊÓÆµ’s reviewer recommended it: “Priceless anecdotal and technical detail”. It’s a read for enthusiasts, those who can already tell their “Purple” from their “Floradora”.
To continue reading, today with our introductory offers
Advertisement
More from ¿ìè¶ÌÊÓÆµ
Explore the latest news, articles and features
Popular articles
Trending ¿ìè¶ÌÊÓÆµ articles
1
The best new science-fiction books of June 2026
2
Pancreatic cancer halted by virus injection in three patients
3
Does gravity create reality? A shocking path to a theory of everything
4
Mathematical AI helps researchers crack 50-year-old problem
5
Millions of planets might form around supermassive black holes
6
How a radical new view of life could reveal its origin – and aliens
7
PCOS has been officially renamed PMOS, and it’s a momentous move
8
Embryos made without sperm or eggs reveal why many pregnancies fail
9
3D-printed lymph nodes could widen access to CAR T-cell therapy
10
Glaciers in the 'roof of the world' have suddenly started melting



