Deirdre Bair's diligent biography of Carl Jung reveals his divided personality, but the more we know about him the less real he becomes, says Adam Phillips
Robert Rubin and Jacob Weisberg's In an Uncertain World persuades Richard Adams that the Clinton administration's greatest asset was its chief economist
Liz Jobey on Diane Arbus: Revelations by Elisabeth Sussman, Doon Arbus et al, an exhaustively researched memoir of a photographer who still divides opinion
In a uniquely intimate portrait of Sylvia Plath, The Observer's former poetry editor recalls being her confidant and mentor and tells of the strange experience of seeing himself portrayed in the new film of her life. By Al Alvarez.
Millions of hobbit-lovers and elf enthusiasts are being cajoled to advance the frontiers of knowledge by joining a £40,000 study of why the Lord of the Rings is so popular.