Door to Summer; Puppet Masters – Robert A. Heinlein

Description

In “Door to Summer”, an engineer betrayed by his partners undergoes cryogenics and awakens decades later to a world transformed by his own inventions. Featuring time travel, betrayal, and redemption, this novel blends science fiction with a moving personal story.

“Puppet Masters” It immerses us in a silent alien invasion, where parasitic creatures control humans from the shadows. It's a fast-paced work that combines espionage, paranoia, and social criticism.
This double volume is ideal for readers looking for science fiction with emotional depth and narrative tension.

📑 Technical sheet