rena steinzor, cambridge university press. be sure you get it. thanks very much. [applause] >> every weekend booktv offers programing focused on non-fiction authors and books. keep watching for more here on c-span2. and watch any of our past programs online at booktv.org. >> for one, he wanted the staff there at every moment. he always wanted you at the other end of the line and he, i was only there a week or so. he was the second week. i had an office down the hall t was a large office because he set all these meetings to plan these programs and i had my own bathroom. he called one morning about 8:00 and my secretary, incidentally, call from lyndon johnson in those days, we had a line called the potus line. just rang. it didn't ring intermittently. it just rang until it was answered. you could never pick it up fast enough. he always made you feel like -- he said, she answered the phone. she said, where is he? well, he is in the bathroom, mr. president. he said, isn't there a phone in there? [laughter]. and she said no. he said. put a phone in there. so i came out