Footfall - Mass Market Paperback By Larry Niven - GOOD

Footfall - Mass Market Paperback By Larry Niven - VERY GOOD

Smoke Ring - Mass Market Paperback By Niven, Larry - ACCEPTABLE

Ringworld (A Del Rey book) - Mass Market Paperback By Niven, Larry - ACCEPTABLE

Footfall : A Novel Mass Market Paperbound Larry, Pournelle, Jerry

The Mote in God's Eye - Mass Market Paperback By Niven, Larry - ACCEPTABLE

The Gripping Hand - Mass Market Paperback By Niven, Larry - GOOD

The Mote in God's Eye - Mass Market Paperback By Niven, Larry - GOOD