Robert F. Kennedy typed letter signed, with additional autograph note signed. Dated 10 January 1968 on his U.S. Senate stationery, RFK writes to ''Saturday Review'' Editor Norman Cousins, in part, ''I want you to know how much I appreciated receiving a copy of your book, Present Tense and the generous inscription it contained...[signed] Bob'' in black felt-tip. Kennedy then writes an additional note in his hand, ''My thanks and I'm looking forward to the book. I hope I shall see you soon. Bob''. Single page letter measures 6'' x 9'', in near fine condition. With Heritage Auctions provenance.