Today’s Free Ebook Digest — October 18, 2026

Availability checked October 18, 2026. These five books are newly
recommended after reviewing matching Gmail digest messages and available attachments, plus previous ChatGPT daily recommendations through October
17, including failed email-delivery runs. Titles and authors were
compared to avoid repeating books from alternate editions or URLs.

All selections are Project Gutenberg editions marked public domain in
the United States. Downloads are genuinely free, with no Kindle
Unlimited, subscription, trial, or purchase required. EPUB3 can be sent
to a Kindle using Send to Kindle; Kindle KF8 is also available for
compatible older devices.

1. The Return of the Tripeds — Neil R. Jones

Genre: Classic science fiction / space opera / robot immortality
Formats: EPUB3, Kindle KF8 Source: Project Gutenberg Description: A 1932 Amazing Stories sequel to The Planet of the Double Sun. Professor
Jameson, whose brain lives in an immortal mechanical body, is stranded
near a double-star system until a three-legged alien civilization
ventures back into space. Strongest science-fiction pick today. Released
by Project Gutenberg: October 17, 2026 Book page: https://www.gutenberg.org/ebooks/79815 Direct EPUB: https://www.gutenberg.org/ebooks/79815.epub3.images Direct Kindle KF8: https://www.gutenberg.org/ebooks/79815.kf8.images

2. Scorpion — Hal Ellson

Genre: Pulp suspense / prison thriller / horror Formats: EPUB3, Kindle
KF8 Source: Project Gutenberg Description: A 1956 story later printed in
Tales of the Frightened. A prisoner learns that officials may be
planning to transfer him to a cell with a deadly scorpion, turning his remaining hours into a psychological ordeal. Released by Project
Gutenberg: October 17, 2026 Book page:
https://www.gutenberg.org/ebooks/79817 Direct EPUB: https://www.gutenberg.org/ebooks/79817.epub3.images Direct Kindle KF8: https://www.gutenberg.org/ebooks/79817.kf8.images

3. White Legs — Michael Avallone (as Mark Dane)

Genre: Psychological horror / pulp short story Formats: EPUB3, Kindle
KF8 Source: Project Gutenberg Description: A 1957 Tales of the
Frightened story about a disturbed man’s obsessive fixation and
troubling recurring nightmares. A dark, compact vintage horror
selection. Released by Project Gutenberg: October 16, 2026 Book page: https://www.gutenberg.org/ebooks/79811 Direct EPUB: https://www.gutenberg.org/ebooks/79811.epub3.images Direct Kindle KF8: https://www.gutenberg.org/ebooks/79811.kf8.images

4. The Yellow Danger: The Story of the World’s Greatest War — M. P. Shiel

Genre: Early speculative war fiction / invasion literature / literary
history Formats: EPUB3, Kindle KF8 Source: Project Gutenberg
Description: An 1899 imagined international war, reflecting
late-Victorian fears about imperial competition and East Asia. Worth considering as a historical artifact of early speculative fiction, not
as a sympathetic modern adventure. CONTENT WARNING: strongly racist
anti-Asian stereotypes and “Yellow Peril” ideology. Released by Project Gutenberg: October 18, 2026 Book page:
https://www.gutenberg.org/ebooks/79820 Direct EPUB: https://www.gutenberg.org/ebooks/79820.epub3.images Direct Kindle KF8: https://www.gutenberg.org/ebooks/79820.kf8.images

5. Thirty Years of Lynching in the United States, 1889–1918 — National Association for the Advancement of Colored People (NAACP)

Genre: United States history / civil rights / primary-source research
Formats: EPUB3, Kindle KF8 Source: Project Gutenberg Description: A 1919
NAACP historical report documenting the prevalence and circumstances of lynching in the United States. A substantial primary source on racial
terror and early civil-rights advocacy. CONTENT WARNING: disturbing
accounts of racist violence. Released by Project Gutenberg: October 17,
2026 Book page: https://www.gutenberg.org/ebooks/79816 Direct EPUB: https://www.gutenberg.org/ebooks/79816.epub3.images Direct Kindle KF8: https://www.gutenberg.org/ebooks/79816.kf8.images

Notes

The duplicate check includes the two specified Gmail subject families,
their accessible attachments, and prior daily results shown in ChatGPT
through October 17. No previously recommended title-author combination
was intentionally repeated. Project Gutenberg’s U.S. public-domain designation may not apply in other countries.