Then, according to Malcolm, prisoners who demonstrated an unusual interest in reading were assumed to have embarked upon a journey of self-rehabilitation and were frequently allowed special privileges—such as checking out more than the maximum number of books. Even so, in order to pursue this self-education, Malcolm had to work against the prison regime—he often read on his cell floor, long after lights-out, by the glow of the corridor light, taking care to return to bed each hour for the two minutes during which the guard marched past his cell.