PICTURE: Laurie Lee’s Slad Valley in the summer In the spring, a young man’s fancy turns to thoughts of love, said Alfred Tennyson in 1835. That may be true for Alf, but in the spring my thoughts turn to what to read in the summer. Not so much the beach bonkbuster (although visitors to the shop will know how much I love Jilly Cooper. Yes I am *that* cool) but the novel which sums up the long lazy days of a British summer to perfection. I’m not going to wax lyrical about Water