Signal in the Dark, by Mildred A. Wirt 34850 [Link: http://www.gutenberg.org/3/4/8/5/34850 ] [Files: 34850.txt; 34850-h.htm] Thanks to Stephen Hutcheson, Charlie Howard, and the Online Distributed Proofreading Team at http://www.pgdp.net Second Correction of Author's name. Chuck