Elizabeth Cowling offers a new perspective on the life of a genius with her edition of Roland Penrose's notebooks, Visiting Picasso, says Matt Collings.
David Hume and Jean-Jacques Rousseau are buried beneath a mountain of evidence in David Edmonds and John Eidinow's account of their quarrel, Rousseau's Dog, says Tom Williams
Robespierre may have wanted to save humanity, but he didn't like people. Ruth Scurr's biography of France's most brutal revolutionary, Fatal Purity, makes for depressing reading, says Rafael Behr.
Alain de Botton explores the emotional impact of the way we build in The Architecture of Happiness. Architecture is too important to be left to the architects, says Charles Saumarez Smith.
Philip French salutes the second part of Simon Callow's majestic life of Orson Welles, which charts the director's loathing for Hollywood after the release of Citizen Kane.
Maggie Fergusson's insightful and compassionate biography of George Mackay Brown reveals the physical and mental difficulties that beset one Scotland's greatest lyric poets, says Kathleen Jamie.
In a new play about Rebecca West's visit to the Nuremberg war trials, the writer finally shakes off her scandalous past - by having an affair. By
Kathryn Hughes.
Lee Server's biography reveals Ava Gardner as a hard-drinking, wisecracking, libidinous vamp, a liberated woman before it was even invented. But she paid a high price for her beauty, says Carole Cadwalladr.