Home › Authors › O'Brien, David. 👤 O'Brien, David. 4 books Books by O'Brien, David. Adjusting to the new reality Adjusting to the new reality 1998 Deprivation in the north and s Deprivation in the north and south 1998 HX 72 HX 72 1998 Managing and mismanaging chang Managing and mismanaging change 1985