Lot of 11 vintage paperbacks, bends/wear/stains/writing/price tags on the covers as shown. 

The Man Who Sold the Moon - Pan X227

The Door Into Summer - Panther 1021

Podkayne of Mars - Avon S335

6 x H - Pyramid F-910

Methuselah's Children - Signet D2621

Beyond This Horizon - Signet P 3907

Double Star - Signet P 3669

Farnham's Friend - Signet T 2704

Orphans in the Sky - Signet P 3344

Revolt in 2100 - Signet T 4236

The Green Hills of Earth - Signet T 3193

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