Vintage Sci-Fi Fantasy Paperback Book Choice: Heinlein, Niven, Salvatore

Vintage Sci-Fi, Fantasy Books, Paperback. Choose between:
1. The Shrouded Planet, Robert Randall. 1982. 220 pages.
2. Echoes of the Fourth Magic, R.A. Salvatore. 1998. 333 pages.
3. The Barsoom Project, Larry Niven and Steven Branes. 1989. 340 pages
4. The Star Beast, Robert A. Heinlein. 1977. 253 pages.
5. The Blockade, Jean Johnson. 2016. 335 pages.
6. The Silk Code, Paul Levinson. 2000. 308 pages. Has a stamp on the inside cover that says it was officially withdrawn from a library.
7. Being Alien, Ben Bova. 1989. 277 pages.
8. Destroyer, Hostil Takeover, Warren Murphy and Richard Sapir. 1990. 252 pages.
9. Barbary, Vonda N. McIntyre. 1988. 183 pages.
All books are paperback and roughly 7" by 4". They are in good condition but show age and use.