I am of the firm belief that everybody could write books and I never understand why they don't. After all, everyone speaks. Once the grammar has been learnt it is simply talking on paper and in time learning what not to say.
James Vinson & D. L. Kirkpatrick (eds.), Contemporary Novelists, 2nd edition, (London: St. James Press, 1976). 
Being constantly with the children was like wearing a pair of shoes that were expensive and too small. She couldn't bear to throw them out, but they gave her blisters.
Injury Time (London: Abacus,  2003) ch. 4, pp. 41-42.
Everything else you grow out of, but you never recover from childhood.