Phoebe and Her Unicorn by Dana Simpson for June 30, 2016
Transcript:
Phoebe: Have you started packing for camp yet? Marigold: I am finished packing! It is easier when your suitcase contains a magical rift in space and time, and can hold all the world withing its walls. Phoebe: That's almost cheating. Marigold: It also helps that I do not wear clothes.
Like the fold box in Heinlein’s Glory Road, published in 1963.