A ground-breaking history of the arts of peace, from Confucius and Ancient Greece through to the ...

WikiLeaks infuriated the world's greatest superpower, embarrassed the British royal family and he...

The Ashes 2005 saw an almighty clash between age-old enemies: England versus Australia; Freddie v...

This book includes 200 quick crosswords compiled by the Guardian's crossword creators, complete w...

This book includes 210 never-before-seen killer Sudoku of a progressive level of difficulty, comp...

This book includes 120 difficult cryptic crosswords compiled by the Guardian's crossword creators...

This book includes 210 never-before-seen Sudoku of a progressive level of difficulty, complete wi...

This book contains more than 200 crosswords, perfect for a quick - but challenging - test of your...

As addictively enjoyable as they are compulsively difficult, get ready for hours of fun with thes...

The third book: 200 more quick crosswords from the Guardian's crossword creators, including full ...

The third book: 120 more classic cryptic crosswords from the Guardian's extensive archives.

210 more previously unpublished Sudoku puzzles, ranging from easy to fiendish.