Do sex strikes ever work?
A senator in Belgium has proposed a sex strike as a way of ending the country's lengthy negotiations around forming a new government. But will it work?
Spinoza, part 1: Philosophy as a way of life
Clare Carlisle: For this 17th century outsider, philosophy is like a spiritual practice, whose goal is happiness and liberation
The Longest War by Peter Bergen – review
This fair-minded and accessible expert guide to the conflict between the United States and al-Qaida is essential reading, says Jason Burke
Dashiell Hammett’s lost works found in Texas
Fifteen unpublished short stories unearthed by Andrew Gulli, who is publishing one in his magazine The Strand
WikiLeaks: Tunisia knew its rulers were debauched. But leaks still had impact
In extracts from the Guardian's new book about WikiLeaks, our writers assess the fallout from publication of cables
Milton Rogovin obituary
Photographer whose documentary work chronicled the lives of America's poor
Mind may be more real than matter
Mark Vernon: Energy, information or something like consciousness may in fact be the real basic stuff of the cosmos
Joaquin Phoenix could rise again in Abraham Lincoln: Vampire Hunter
Star of I'm Still Here has reportedly been offered acting return in mashup about 16th US president's battles with the undead
WikiLeaks: Strained relations, accusations – and crucial revelations
Extract from WikiLeaks: Inside Julian Assange's War on Secrecy reveals twists and turns in the fraught lead-up to the publication of US embassy cables• Buy WikiLeaks: Inside Julian Assange's War on Secrecy here
Céline: great author and ‘absolute bastard’
Andrew Gallix: Perhaps only in France could the antisemitic novelist be considered a candidate for state-sponsored celebration
The Book of Genesis, part 8: Why this story?
Jane Williams: Genesis has shaped human history for generations, but it continues to offer new insights and raise new questions
Quai d’Orsay’s comic-book hero tickles French fancy
Satirical graphic novel based on former PM Dominique de Villepin has become surprise French literary hit
Amazon’s ebook sales eclipse paperbacks for the first time
Richard Adams: Amazon announces that Kindle ebook sales have now overtaken its sales of paperback print editions in the US
Salinger: a burger-lover in the rye
Kathryn Hughes: As JD Salinger would have recognised, his letters show that Great Writers are not great all the time
In praise of … The Magic Mountain
Editorial: This week's sessions in Davos will never be as intellectually stimulating as Thomas Mann's novel of ideas