Walls of Acid: Classic Book Guide and Free Edition
Walls of Acid: author and translator credits, catalogue synopsis, subjects and links to the Gutenberg reading formats.

Walls of Acid is catalogued by Project Gutenberg with author credits for Hasse, Henry (1913–1977).
Catalogue synopsis
Project Gutenberg supplies this automated synopsis of the opening text:
"Walls of Acid" by Henry Hasse is a science fiction novella written in the mid-20th century, specifically in the post-World War II era, reflecting the era's fascination with space exploration and technology. The book explores themes of survival, evolution, and the consequences of scientific hubris through the tale of a once-glorious civilization on the planet Diskra that now faces a deadly menace from an underestimated species—the Termans. It serves as a cautionary tale about the dangers of underestimating one's enemies and the potential consequences of advanced scientific experimentation. The story unfolds through the perspective of Braanol, an advanced brain preserved in a liquid medium, who recounts the history of his planet's downfall due to the rise of the Termans, a previously insignificant subterranean species that have been genetically altered and organized by the demented brother of the ruling emperor, Palladin. As the Termans grow in strength and intelligence, they threaten the very existence of the Diskrans, forcing them to develop new technologies and prepare for an interstellar resettlement. The narrative culminates in Braanol's desperate efforts to record their civilization's history while warning future generations of the lurking dangers, ultimately reinforcing the message of vigilance against potential threats that can arise from the roots of history and scientific ambition.
Book and edition facts
- Title: Walls of Acid
- Author credits: Hasse, Henry (1913–1977)
- Catalogue language: English
Catalogue subjects
- Science fiction
- Short stories
Gutenberg collections
- Category: Science-Fiction & Fantasy
- Science Fiction
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View the complete Gutenberg catalogue record. Project Gutenberg identifies this edition as public domain in the United States; that designation does not establish its copyright status in every country.
Source notes
Catalogue metadata is public domain and is supplied through Gutendex, which imports Gutenberg's machine-readable catalogue. The automated synopsis is source-supplied, not an independently verified review. Author dates above describe the credited people; no ebook release date is presented as the book's original publication date.


