Frank R Stockton: 2 books

A retired middle-aged gentleman and his wife take a long walk, arm-in-arm, many miles, up hills, across fields, with a laden knapsack and a heavy picnic basket, and yet they are completely at ease because of the gentleman's invention, a negative gravity device, which they carry to lighten their weight....

Called the most famous riddle mystery of all time, this very short story poses a dilemma. A man is sentenced to an unusual punishment for having a romance with a king's beloved daughter. Taken to the public arena, he is faced with two doors, behind one of which is a hungry tiger that will devour him....