"Lije Baley had just reached his desk when he became aware of R. Sammy watching him expectantly."
Isaac Asimov the First Line of The Caves of Steel
"Baley, suddenly smiling, took R. Daneel's elbow, and they walked out the door, arm in arm."
Isaac Asimov the Last Line of in The Caves of Steel
Originally Published June 1, 1954
Paperback edition:
288 pages - Nov. 1, 1991