Headscratchers winter Learn about the mightiest weapons

Learn about the mightiest weapons ever made

and Pulau Menjangan Special features on where to spot wildlife

Antwerp and the northeast of Belgium

Stella Stanmore

even for those without a garden

Headscratchers winter Learn about the mightiest weapons'A fantastic and varied collection of problems authored by some of the best puzzle setters around' Alex Bellos 'A book of delightful puzzles. It's just as good as you'd expect.' Tim Harford 'A marvellous miscellany of mysteries' Simon Singh 'Hours of arguing and puzzling. I loved it.' Matt Parker This highly engaging collection of 70 puzzles comes from the popular weekly column in New Scientist magazine. You'll find puzzles that are great for sharing