Cadwalader Ringgold:
Murray Leinster - The Pirates of Zan - Ace Double 66525
Cadwalader Ringgold:
Four from Planet 5 - Murray Leinster
Cadwalader Ringgold:
Brain Stealers - Murry Leinster
Cadwalader Ringgold:
Doctor to the Stars - Murray Leinster
Cadwalader Ringgold:
Murray Leinster - Mutant Weapon - Ace Double 66525 Mutant Weapon
Cadwalader Ringgold:
IssacAsimov - Prelude to Foundation - Audio Book - reviewed