Rocket to the Morgue

1st IPL edition paperback

Austin Carter famed science fiction writer advanced three alternative solutions to the locked room murder.

A. The killer never left the locker room because he was never there. The dagger was conveyed through space and plunged into the victim's Heart by teleportation.

B. He disassembled his component Adams on one side of the wall filtered through by osmosis and reassembled them on the other side.

C. he simply entered and left through the 4th dimension uh-oh what else can you expect when murder joins a gathering of science fiction writers.  Enter Sister Ursula who solved the locked room problem of nine times nine. There are some things this gentle sister of Martha of Bethany doesn't  take on faith and murder is one of them