As the world hots up, so does the market for books about climate change. Tim Flannery looks at the latest works on the crisis and sizes up their solutions
The movie Angus, Thongs and Perfect Snogging is based on a book many adolescent girls know by heart. Alice Wignall explores the power of teenage literary passions
A published encyclopedia will list in a single volume the 50,000 most commonly searched terms on the German Wikipedia website over the past two years. By Jess Smee