Thanks to a new self-help book, When Good People Have Affairs, we now know that there might be all sorts of reasonable excuses for adultery. Zoe Williams has even come up with a few more of her own ...
Two new interrogations of torture, Philip Gourevitch and Errol Morris' Standard Operating Procedure and Philippe Sands' Torture Team, will help justice be done, writes Michael Byers
Rose Shapiro's Suckers and Trick or Treatment by Simon Singh and Edzard Ernst explore the actual worth of alternative medicine and its practitioners, says Olivia Laing