Comic Title: Adventures of Rex, the Wonder Dog #23
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: Sep/Oct 1955
Approx. On Sale Date: July 5, 1955 Copyright Date July 3, 1955
Source: Library of Congress, Periodicals 1955
Until 1958 DC did not report actual on sale dates to the copyright office
The publication dates listed in LoC records are NOT release dates.

Frequency: Bi-monthly
Cover Price: $0.10
Page Count: 32
Editor: Julius Schwartz

Title: "The Secret of the Spanish Castle"
Pages: 6

Feature(s):
Detective Chimp (of Earth-1)

Writer: John Broome
Artist: Carmine Infantino

Feature Character(s)

• Detective Chimp (last appearance in Adventures of Rex, the Wonder Dog #22; next appearance in Adventures of Rex, the Wonder Dog #24)

Supporting Character(s)

• Sheriff Edward Chase (last appearance in Adventures of Rex, the Wonder Dog #22; next appearance in Adventures of Rex, the Wonder Dog #24)

Villain(s)

• Two thieves (no further appearances)

Other Character(s)

• William Talman (a millionaire; no further appearances)

Synopsis:
Sheriff Chase recieves a letter addressed to millionaire William Talman by mistake. He takes the letter to Talman's estate where he has built a castle. The drawbridge is up, but Bobo is able to cross the moat. Inside Bobo finds two crooks that have broken in. Talman is tied up. Bobo eludes the crooks and eventually defeats them. Sheriff Chase backs him up after wading across the moat. Talman is then released.