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the Death of Universe: Ghost Kingdom: Hard Science Fiction (Big Rip)

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Proxima Dying: Hard Science Fiction (Proxima Trilogy)

Independently Published

Amphitrite 2: The Black Planet: Hard Science Fiction (Planet Nine)

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Amphitrite 3: The Black Planet: Hard Science Fiction (Planet Nine)

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Proxima Dreaming: Hard Science Fiction (Proxima Trilogy)

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Mars Nation 2: Hard Science Fiction (Mars Trilogy)

£ 3.49

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Proxima Rising: Hard Science Fiction (Proxima Trilogy)

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Mars Nation 1: Hard Science Fiction (Mars Trilogy)

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the Death of Universe: Hard Science Fiction (Big Rip)

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Mars Nation 3: Hard Science Fiction (Mars Trilogy)

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Ice Moon (Boxset): Hard Science Fiction

£ 0.99

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The Portal 2: Hard Science Fiction (Portal to Xibalbá)

£ 4.99

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The Disturbance 3: Truth: Hard Science Fiction

£ 4.99

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The Frozen Planet: Hard Science Fiction (The Marchenko Logfiles Book 2)

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Silent Sun: Hard Science Fiction (Solar System Series Book 2)

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Into the Light: Hard Science Fiction (Proxima Logfiles Book 3)

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Impact: Earth: Hard Science Fiction

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The Paradise Planet: Hard Science Fiction (The Marchenko Logfiles Book 7)

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Return to Enceladus: Hard Science Fiction (Ice Moon Book 4)

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The Factory of God: Hard Science Fiction (The Dark Cloud Book 1)

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The Shared Planet: Hard Science Fiction (The Marchenko Logfiles Book 3)

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Helium 3: Death from the Past (Helium-3 Book 2)

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The Atacama Incident: Hard Science Fiction

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The Hole: Hard Science Fiction (Solar System Series Book 1)

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Amphitrite: The Black Planet Complete Trilogy: Hard Science Fiction (Planet Nine)

£ 8.99

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The Titan Probe: Hard Science Fiction (Ice Moon Book 2)

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The Luna Monolith 2: Hard Science Fiction (The Black Monolith)

£ 4.99

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The Death of Universe: Complete Trilogy: Hard Science Fiction (Big Rip)

£ 9.99

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The Dark Spring: Hard Science Fiction (Solar System Series Book 6)