A useful classroom technique for replicating the occasion of oral advice is 'simulation', lifelike still, role-playing, games and other exercised. What can be more appropriately produced in the classroom, that used to take years of experience to produce in an inferior version, is understanding of the wider setting, the conditions of success and failure, the law and social mores, ahd so on;; the high degree of specificity that accompanies the oral tradition may here be a handicap. Hence the greater number of books like that, a few actually of the 'written-down talk' kind, by practising administrators. Relatively, however,the number of civil servants who have written books on administration is very small (and of local government officers and pubilc corporation executives, even smaller);such authors (e.g. Bridges, 1950; Munro, 1925; Sisson,1959; Baker,1972) have been, figuratively speaking, well thumbed