The Course of Logic by Lester Del Rey

(12 User reviews)   2737
By Sebastian Morgan Posted on Mar 10, 2026
In Category - Clean Fantasy
Del Rey, Lester, 1915-1993 Del Rey, Lester, 1915-1993
English
"The Course of Logic" by Lester Del Rey is a science fiction novella written in the early 1960s. The story explores themes of evolution, intelligence, and survival through the lens of alien creatures known as silths. As the narrative unfolds, the silths, who have lost their original form and major capabilities, interact with human beings, leading t...
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silths, Arnek and his female mate Ptarra, who have survived centuries after escaping a destroyed universe. They discover a crashed probe and two human survivors, leading them to consider infiltrating the humans' bodies to continue their existence. As the silths track the humans and plan their next moves, discussions of evolution and logic emerge, revealing Ptarra's cold reasoning versus Arnek's more intuitive approach. Ultimately, they succeed in taking over the humans' forms, raising questions about identity and the potential for a new beginning in an unfamiliar galaxy. The narrative deftly interweaves action, mental conflict, and philosophical discourse, examining what it means to truly understand another being. (This is an automatically generated summary.)

ℹ️ Copyright Status

This book is widely considered to be in the public domain. Use this text in your own projects freely.

Noah Perez
2 years ago

A must-have for anyone studying this subject.

Margaret King
1 year ago

As someone who reads a lot, the depth of research presented here is truly commendable. A true masterpiece.

Joshua Lewis
1 year ago

Surprisingly enough, the plot twists are genuinely surprising. Highly recommended.

Anthony Moore
1 year ago

Very interesting perspective.

Sarah Hill
1 year ago

A must-have for anyone studying this subject.

5
5 out of 5 (12 User reviews )

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