Lot 6 Vintage paperback books by  Robert A. Heinlein Include...

 - the Door Into Summer ( Signet D-2443, 2nd. printing 1964 ) Good Condition.

- Double Star ( Signet P-3639, 5th. printing ) Very Good Condition.

- the Green Hills of Earth ( Signet T-3193, 9th. printing ) Very Good Condition.

 - Methuselah's Children  ( Signet E-9083 ) FINE Condition.

 - Waldo & Magic Inc. ( Pyramid X-1758, 3rd.1968 ) Very Good Condition.

 & the Menace from Earth ( 2nd. printing 1991 ) Very Good+ Condition.

 -  Books are in Very Good or Better Condition.  FREE SHIPPING!!!