Six science fiction short stories with a sting in the tail.

The Alien who came to Dinner – A time traveler visits the Dark Ages to relay an important message, but will anyone listen?

Spot marks the X – Cabin-boy Spot survives a raid by the pirate Blue Jacques, but his problems are only just beginning.

The Fastest Gun in the West – When a mysterious stranger joins a poker game, he claims he's never played the game before, but could he have hidden talents?

The Billion Dollar Reward – When Mike Mellor offers a billion dollars to the first person to prove the existence of aliens, Dearborn Reynolds resolves to collect that reward.

The Dawn of a New Age – Peregrine Johnson reckons he's about to make the greatest discovery in the history of space travel, but is anyone paying attention?

Certainty in an Uncertain World – With an alien invasion imminent, Takenya Stafford hatches a plan to save humanity.