This group of humor paperbacks dates from the 1970's, but they're all in very good condition (the pages are brown but the bindings are intact):

• Going Around in Academic Circles (Richard Armour)
• "I Am Not a Crook" (Art Buchwald)
• I Never Danced at the White House (Art Buchwald)
• Donkeys Can't Sleep in Bathtubs (Susan Dach)
• Everything You've Always Wanted to Know About Nixon... (Gerald Gardner)
• The American Way of Laughing: A Collection of Humor from Benjamin Franklin to Woody Allen (Helen Weiss and M. Jerry Weiss)