Comic Title: Adventures of Rex, the Wonder Dog #30
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: Nov/Dec 1956
Approx. On Sale Date: September 4, 1956 Copyright Date September 2, 1956
Source: Library of Congress, Periodicals 1956
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: "Canine Castaway"
Pages: 8

Feature(s):
Rex the Wonder Dog (of Earth-1)

Writer: John Broome
Penciller: Gil Kane
Inker: Bernard Sachs

Feature Character(s)

• Rex the Wonder Dog (last appearance in Adventures of Rex, the Wonder Dog #30; next appearance in Adventures of Rex, the Wonder Dog #31)

Supporting Character(s)

• Danny Dennis (last appearance in Adventures of Rex, the Wonder Dog #30; next appearance in Adventures of Rex, the Wonder Dog #31)

Villain(s)

• A group of island natives (no further appearances)

Other Character(s)

• An unnamed reporter (no further appearances)

Synopsis:
Rex is invited to attend a boy scout jamboree as the guest of honor. A reporter covering the event doesn't believe Rex is really that smart. When a storm causes the man to fall into the sea, Rex rescues him and brings him to a small island. Rex proves himself by helping the man survive until a ship comes to rescue them. The reporter is convinced that Rex truly is a Wonder Dog.