Mur has kept a secret under his floorboards for fifty years: a strange box his best friend’s mother made him hide before the family vanished.
Then a thief steals it, and Cleo returns, fifty years later, looking just twenty-five. Her spaceship was not built on Earth. A sensible man would stay home. Mur asks if there is room for one more. $0.99 on Kindle.

Find more mystery, thriller and suspense titles like "Unexpected Visitor" on bestmysterynovels.net. Each day we feature a selection of free and discounted Kindle books in the Mystery, Thriller & Suspense genres.
Disclaimer: The price of the book above was accurate upon the publication date of January 02nd, 2026. However, Kindle book prices are subject to change at anytime without notice. Remember to look closely at the book price before purchasing it. If you'd like to return a Kindle book that you purchased, you can do so by following these Kindle book return instructions.

