Machines That Think vs Time and again: Which Should You Read?

Both live on shelves: Androids, Robots, Science Fiction, Fiction

Machines That Think Isaac Asimov · 1984 ★★★☆☆ 3.4 627 pages · ≈ 11 h 37 m · Moderate

Moxon's Master - short story by Ambrose Bierce The Lost Machine - novelette by John Wyndham Rex - short story by Harl Vincent Robbie - short story by Isaac Asimov (variant of Strange Playfellow 1940) Farewell to the…

Computers American literature

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Time and again Clifford D. Simak · 1951 ★★★★☆ 3.9 255 pages · ≈ 4 h 43 m · Moderate

It is the future and Mankind has spread to the stars like seeds before the wind. One star system, though, shrouded in mystery, has defied Man's every attempt to visit it. Every expedition to 61 Cygni has found its path…

Space Travel

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Side by side

The verdict

Readers rate Time and again highest: Time and again 3.9 · Machines That Think 3.4.
Time and again is the quickest read — about 4 hours vs 11 for Machines That Think.
Time and again has the widest readership — 3963 ratings behind its score.

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How to choose

Want a one-evening read? Time and again ≈ 4h vs 11h for Machines That Think Just want the better-reviewed one? Time and again 3.9 vs 3.4 from readers

Scores by source

	Machines That Think	Time and again
Goodreads	3.4 (570)	3.9 (3963)
Hardcover	3.5 (2)	3.4 (22)
Apple Books	—	4.0 (75)
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Reception

	Machines That Think	Time and again
Ratings	570	3963
Editions	8	14
Citations	2	2
Film adaptations	—	1
Want to read	1871	3142
Reading it now	192	676
Written reviews	90	232
Wikipedia attention	84	181
Pages	627	255
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Questions readers ask

Which is rated higher: Machines That Think or Time and again?

Time and again has the higher combined reader rating across sources (Time and again 3.9/5, Machines That Think 3.4/5).

Which is shorter to read: Machines That Think or Time and again?

Time and again is the quickest read. Estimated at 225 words per minute: Time and again (255 pages, ≈ 4 h 43 m); Machines That Think (627 pages, ≈ 11 h 37 m).

Which is harder to read: Machines That Think or Time and again?

Estimated difficulty, based on era, reader shelves and length — Machines That Think: Moderate; Time and again: Moderate.