The books interview: Andrew Solomon, winner of the Wellcome prize, talks to Hadley Freeman about the people who helped him write Far From the Tree, and how their struggles inspired him to start a family of his own
Nicholas Lezard's paperback of the week: Only the second book translated into English from the late Brazilian writer, this short work shows a mind unravelling
As the non-fiction Penguin imprint relaunches, Paul Laity tells the story of the blue‑spined books that inspired generations of self-improvers – and transformed the publishing world