"Webster's American Dictionary"
http://www.amazon.com/exec/obidos/ASIN/0765110687/wendysmall
"Roget's Desk Thesaurus"
http://www.amazon.com/exec/obidos/ASIN/0517180855/wendysmall
"Webster's New American Crossword Puzzle Dictionary"
http://www.amazon.com/exec/obidos/ASIN/0831791640/wendysmall
"Isaac Asimov's Book of Facts"
http://www.amazon.com/exec/obidos/ASIN/0517065037/wendysmall