Comic Title: House of Secrets #24
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: September 1959
On Sale Date: July 21, 1959 Copyright Date July 21, 1959
Source: Library of Congress, Periodicals 1959

Newsstand Date July 21, 1959
Source: Newsdealer Magazine, V14 #5

Frequency: Monthly
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "The Sorceress of Silent Valley"
Pages: 8

Feature(s):
Mark Merlin (of Earth-1)

Artist: Mort Meskin

Feature Character(s)

• Mark Merlin (last appearance in House of Secrets #23; next appearance in House of Secrets #25)

Supporting Character(s)

• Elsa Magusson (last appearance in House of Secrets #23; next appearance in House of Secrets #25)

Villain(s)

• A race of interdimensional creatures (no further appearances)

Other Character(s)

• Conrad Rogge and Jenny (Mark's client and his daughter; no further appearances)
• Major Fryer (an army officer; no further appearances)

Synopsis:
Mark Merlin is hired by Conrad Rogge to investigate his daughter Jenny who seems to be a sorceress. Mark witnesses Jenny displaying magic powers which enable her to lift a mountain and smash it into pieces. The impact tears a whole in the dimensional barrier allowing a race of beings to invade Earth. Mark deduces that the creatures were controlling the girl in order to create the dimensional rift. With the help of an army officer, Mark is able to trick the creatures into returning to their own dimension uses chemical warfare.