The smaller of Mars's two moons, Demios is only about 12 kilometers in diameter! For comparison, Manhattan is 21 kilometers in length! If you were standing on Demios, you could be able to escape its gravity with a single, powerful, jump. There's only two named features on Demios, two craters named after Voltaire and Jonathan Swift. 

Suggestions: a Voltaire work, a Jonathan Swift work, smaller of two books in a duology, one in the terror genre, a book that you dreaded reading but you just had to, a book that you read in ~30 hours ...