This is a lot of five vintage paperback books by Larry Niven.

These are in good to very good condition. Please see pictures for details.

Convergent series 1979.

The Mankzin Wars seventh printing December 1990

The ringworld engineers Nice printing October 1985

The mode in gods eye October 1974

Flatlander first edition June 1995

If you like vintage books or vintage science fiction books please check out my store. I also have vintage technology books, vintage Space exploration and NASA books, vintage computer books, vintage computer games, vintage computers and more.