Humorous Science Fiction

Masks of the Martyrs

By Jack L. Chalker

Good Omens

By Neil Gaiman, Terry pratchett

The Slow Regard of Silent Things: A Kingkiller Chronicle Novella

By Rothfuss, Patrick

The 8th Habit: From Effectiveness to Greatness

By Stephen R. Covey

Just One Damned Thing After Another

By Jodi Taylor

The Weight of Numbers

By Ings, Simon

Annihilation: The thrilling book behind the most anticipated film of 2018 (Southern reach trilogy)

By Vandermeer, Jeff

Foundation

By Asimov, Isaac

The Minders: Five strangers guard our secrets. Four can be trusted.

By John Marrs

Nano Flower

By A. Beeron

Good Omens

By Gaiman, Neil, Pratchett, Terry

Eric: Discworld: The Unseen University Collection: 9 (Discworld Novel)

By Pratchett, Terry

Ender's Game (Ender Saga): Book 1 of the Ender Saga

By Orson Scott Card

On Basilisk Station

By David Weber

The Ultimate Hitchhiker's Guide to the Galaxy: The Complete Trilogy in Five Parts (Hitchhikers Guide to/Galaxy)

By Adams, Douglas

Coyote Frontier: The Coyote Series: Book Three

By Allen M. Steele

Freedom's Choice (The Catteni Sequence)

By McCaffrey, Anne

Deathstalker

By Simon R. Green

The Howling Stones

By Alan Dean Foster

Han Solo's Revenge

By Brian Daley

Plague Ship

By Norton, Andre

Orphan Star

By Foster, Alan Dean

Tau Zero

By Poul Anderson

Lucifer's Hammer

By Niven, Larry, Pournelle, Jerry

The Amtrak Wars: Bk. 1: Cloud Warrior

By Patrick Tilley

Dark Carnival

By Ray Bradbury

A Wild Sheep Chase

By Haruki Murakami

And Another Thing ...: Douglas Adams' Hitchhiker's Guide to the Galaxy. As heard on BBC Radio 4

By Colfer, Eoin

Rule Britannia (Virago Modern Classics)

By Du Maurier, Daphne

Rogue Moon

By algis budrys