Strictly Bipolar by Darian Leader – review Are we close to understanding bipolar disorder? Not on this evidence, writes Alexander Linklater
Drugs 2.0: The Web Revolution That’s Changing How the World Gets High by Mike Power – review Steven Poole on a fascinating and funny study of the new drug scene
Sex-Pol: Essays, 1929-1934 by Wilhelm Reich – review Can sexual satisfaction lead to revolution?Christopher Turner on genital utopia
Kith: The Riddle of the Childscape by Jay Griffiths – review Is chronic estrangement from nature responsible for our children's woes? By Alexander Linklater
Tiny Beautiful Things: Advice on Love and Life from Someone Who’s Been There by Cheryl Strayed – review Cheryl Strayed's Dear Sugar agony aunt columns will infuriate some but delight many more, writes Viv Groskop
Bipolar memoirs: What have I done? We live in bipolar times. Yet memoirs of manic depression by Stephen Fry and others suggest the new diagnosis, treated with drugs, risks ignoring the crucial details of each patient's condition. By Darian Leader
Kith: The Riddle of the Childscape by Jay Griffiths – review Sentimentality clouds an otherwise sharp diagnosis of child unhappiness, writes Mary Beard
She Left Me the Gun: My Mother’s Life Before Me by Emma Brockes – review The shocks come thick and fast in this courageous and clear-sighted memoir about a family secret, says Elizabeth Lowry
Running With the Pack by Mark Rowlands; Running Like a Girl by Alexandra Heminsley – review Two books on the joy of running are equally inspirational but in very different ways, writes Miranda Sawyer