Comic Title: Witching Hour #20
Publisher: DC (National Periodical Publications, Inc.)
Address: 909 Third Avenue, New York, NY
Cover Date: Apr/May 1972
On Sale Date: February 10, 1972 Newsstand Date February 10, 1972
Source: House Ad, Witching Hour #19, Page 46

Newsstand Date February 10, 1972
Source: Direct Currents, Brave and the Bold #101, Page 32

Newsstand Date February 10, 1972
Source: Comic Reader, #81

Copyright Date February 10, 1972
Source: Library of Congress, Periodicals 1972

Frequency: Bi-monthly
Cover Price: $0.25
Page Count: 48
Editor: Murray Boltinoff

Title: "Beware the 13th Guest"
Pages: 8

Writer/Artist: Howard Purcell

Reprinted From:
House of Secrets #59 (1963)