Comic Title: House of Secrets #49
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: October 1961
On Sale Date: August 22, 1961 Copyright Date August 22, 1961
Source: Library of Congress, Periodicals 1961


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

Title: "Captives of the Parallel World"
Pages: 9

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

Penciller: Mort Meskin
Inker: George Roussos

Feature Character(s)

• Mark Merlin (last appearance in House of Secrets #48; next appearance in House of Secrets #50)

Supporting Character(s)

• Elsa Magusson (last appearance in House of Secrets #48; next appearance in House of Secrets #50)

Villain(s)

• Vic Dunn (an escaped criminal; no further appearances)
• Screed and his henchmen (no further appearances)

Other Character(s)

• Professor Vaar (an alien scientist; no further appearances)

Synopsis:
Mark Merlin tracks down an escaped criminal, Vic Dunn, who has mysteriously evaded pursuit. Mark searches a remote area and finds himself transported to an alternate dimension. Mark possesses super powers in the alien world, but he is captured by some aliens.

While in a cell, Mark is contacted by Professor Vaar, the alien responsible for his transport to the alien dimension. Vaar explains that Dunn was brought to his world accidentally. The crook then teamed up with Vaar's greedy lab assistant, Screed.

Using his powers, Mark escapes his cell and frees the captive Vaar. Mark then battles Dunn and the aliens, convincing the Earth criminal that his partner has double-crossed him. Mark succeeds in capturing them. Vaar then returns both Dunn and Merlin to Earth.