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Roger Penrose
Shadows of the Mind
$4.99
Roger Penrose
Cycles of Time
$7.00
Roger Penrose
Cycles of Time
$12.00
Roger Penrose
The Emperor's New Mind
$10.00
Roger Penrose
The Emperor’s New Mind
$3.00
$5.00
Roger Penrose; Roger Penrose
The Road to Reality
$12.00
George Gamow; Roger Penrose
Mr. Tompkins in Paperback
$12.00
Roger Penrose; Roger Penrose
The Road to Reality
$32.50