'Let There Be Light'

From Author Wars - https://authorwars.com/books/let-there-be-light-2002199.html

Overview:

Title: 'Let There Be Light'
Author: Robert A. Heinlein
Year: 2014
Type: Short Fiction

Editions/Publications:

2014 . The Past Through Tomorrow (2014, Robert A. Heinlein, Gollancz / Orion, ISBN-10: 9780575120860, £18.99, xv+793 pages, Trade Paperback, Collection)
2014 . The Past Through Tomorrow (2014, Robert A. Heinlein, Gateway / Orion, ISBN-10: 9781473202009, £9.49, pages, ebook, Collection)