Reviewed by Hilary DavisHAMISH HAMILTON, 290pp, £18.99 Tablet bookshop price £17.10 Tel 01420 592974 19 November 1977. I had stayed up too long and thought too much.” This is the arresting opening line of Barbara Taylor’s memoir-cum-history of her own, and others’, struggles with mental illness; it is also, rather differently, a documentation of these people’s experiences of the medical profession’s attempts to deal with them and it. Taylor was the needy child of needy parents: she sees this with hindsight as she sets out the kind of childhood she had in Saskatoon, Canada. The background they provided was, by some standards, unconventional, her father of Welsh mining stock with Communist political opinions, her mother from a middle-class Jewish f