Elsewhen - Robert A. Heinlein - September, 1941

a.k.a. Elsewhere. A Professor shows his students how to travel to alternate worlds. First published in Astounding Science Fiction in September, 1941, and then as part of the 1953 collection 'Assignment in Eternity'.

Collections:

Assignment in Eternity Off The Main Sequence

Links:

• Download: Elsewhere (1941 version) on Archive.org - Elsewhere (1941 version) on Archive.org
• Wiki: Wikipedia Link -