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Hard SF

Rigorous scientific speculation.

521 titles

Often paired with

Social SF 129 Space Opera 121 Adventure 68 First Contact 35 Horror 32 Post-Apocalyptic 22

Peaks in

1950s 1940s 1960s 1930s 1890s

Explored most by

Jules Verne George O. Smith H. G. Wells Luis Senarens Murray Leinster E. E. Smith Mary Wollstonecraft Shelley Ray Cummings

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Frank Reade, Jr., and His Electric Ice Ship; or, Driven Adrift in the Frozen Sky.

Cover of Frank Reade, Jr., and His Electric Ice Ship; or, Driven Adrift in the Frozen Sky. by Luis Senarens

Frank Reade, Jr., and His Electric Ice Ship; or, Driven Adrift in the Frozen Sky.

Luis Senarens · 1903

2 hr 51 min read

AdventureHard SF

Frank Reade, Jr., and his new steam man; or, the young inventor's trip to the far west

Cover of Frank Reade, Jr., and his new steam man; or, the young inventor's trip to the far west by Luis Senarens

Frank Reade, Jr., and his new steam man; or, the young inventor's trip to the far west

Luis Senarens · 1892

3 hr 30 min read

AdventureHard SF

Frank Reade, Jr., with his new steam horse in the great American desert

Cover of Frank Reade, Jr., with his new steam horse in the great American desert by Luis Senarens

Frank Reade, Jr., with his new steam horse in the great American desert

Luis Senarens · 1892

2 hr 17 min read

AdventureHard SF

Frank Reade, Jr., with his new steam man in Mexico

Cover of Frank Reade, Jr., with his new steam man in Mexico by Luis Senarens

Frank Reade, Jr., with his new steam man in Mexico

Luis Senarens · 1892

2 hr 24 min read

AdventureHard SF

Frankenstein, ou le Prométhée moderne Volume 1 (of 3)

Cover of Frankenstein, ou le Prométhée moderne Volume 1 (of 3) by Mary Wollstonecraft Shelley

Frankenstein, ou le Prométhée moderne Volume 1 (of 3)

Mary Wollstonecraft Shelley · 1818

1 hr 32 min read

Frankenstein, ou le Prométhée moderne Volume 2 (of 3)

Cover of Frankenstein, ou le Prométhée moderne Volume 2 (of 3) by Mary Wollstonecraft Shelley

Frankenstein, ou le Prométhée moderne Volume 2 (of 3)

Mary Wollstonecraft Shelley · 1818

1 hr 16 min read

Frankenstein, ou le Prométhée moderne Volume 3 (of 3)

Cover of Frankenstein, ou le Prométhée moderne Volume 3 (of 3) by Mary Wollstonecraft Shelley

Frankenstein, ou le Prométhée moderne Volume 3 (of 3)

Mary Wollstonecraft Shelley · 1818

1 hr 36 min read

Frankenstein; Or, The Modern Prometheus

Cover of Frankenstein; Or, The Modern Prometheus by Mary Wollstonecraft Shelley

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

4 hr 3 min read

Frankenstein; Or, The Modern Prometheus

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

4 hr 12 min read

Frankenstein; Or, The Modern Prometheus

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

4 hr 3 min read

Frankenstein; Or, The Modern Prometheus

Cover of Frankenstein; Or, The Modern Prometheus by Mary Wollstonecraft Shelley

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

Frankenstein; Or, The Modern Prometheus

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

Frankenstein; Or, The Modern Prometheus

Cover of Frankenstein; Or, The Modern Prometheus by Mary Wollstonecraft Shelley

Frankenstein; Or, The Modern Prometheus

Mary Wollstonecraft Shelley · 1818

4 hr 12 min read

From Zone to Zone

Cover of From Zone to Zone by Luis Senarens

From Zone to Zone

Luis Senarens · 1903

2 hr 44 min read

AdventureHard SF

From the Earth to the Moon, Direct in Ninety-Seven Hours and Twenty Minutes: and a Trip Round It

Cover of From the Earth to the Moon, Direct in Ninety-Seven Hours and Twenty Minutes: and a Trip Round It by Jules Verne

From the Earth to the Moon, Direct in Ninety-Seven Hours and Twenty Minutes: and a Trip Round It

Jules Verne · 1865

AdventureHard SF

From the Earth to the Moon; and, Round the Moon

Cover of From the Earth to the Moon; and, Round the Moon by Jules Verne

From the Earth to the Moon; and, Round the Moon

Jules Verne · 1865

AdventureHard SF

Cover of Grounded by William Sambrot

William Sambrot · 1954

Hard SFSpace Opera

Half Around Pluto

Cover of Half Around Pluto by Manly Wade Wellman

Half Around Pluto

Manly Wade Wellman · 1958

Hard SFSpace Opera

Hanging by a Thread

Cover of Hanging by a Thread by Randall Garrett

Hanging by a Thread

Randall Garrett · 1961

Hard SFSpace Opera

Hartmann, the Anarchist; Or, The Doom of the Great City

Cover of Hartmann, the Anarchist; Or, The Doom of the Great City by E. Douglas Fawcett

Hartmann, the Anarchist; Or, The Doom of the Great City

E. Douglas Fawcett · 1893

2 hr 17 min read

DystopiaHard SF

Cover of Heart by Henry Slesar

Henry Slesar · 1957

Hard SFSocial SF

Hellhounds of the Cosmos

Cover of Hellhounds of the Cosmos by Clifford D. Simak

Hellhounds of the Cosmos

Clifford D. Simak · 1932

First ContactHard SF

Henry Horn's X-Ray Eye Glasses

Cover of Henry Horn's X-Ray Eye Glasses by Dwight V. Swain

Henry Horn's X-Ray Eye Glasses

Dwight V. Swain · 1942

Hard SFSocial SF

Het voedsel der Goden en hoe het op Aarde kwam

Cover of Het voedsel der Goden en hoe het op Aarde kwam by H. G. Wells

Het voedsel der Goden en hoe het op Aarde kwam

H. G. Wells · 1904

Hard SFSocial SF

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