Comic Title: Adventures of Rex, the Wonder Dog #39
Publisher: DC (National Comics Publications, Inc.)
Address: 480 Lexington Avenue, New York, NY
Cover Date: May/Jun 1958
On Sale Date: March 4, 1958 Copyright Date March 4, 1958
Source: Library of Congress, Periodicals 1958

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

Title: "Shadow of the Hawk"
Pages: 10

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

Writer: Robert Kanigher
Penciller: Gil Kane
Inker: Bernard Sachs

Feature Character(s)

• Rex the Wonder Dog (last appearance in Adventures of Rex, the Wonder Dog #38; next appearance in Adventures of Rex, the Wonder Dog #39)

Supporting Character(s)

• Danny Dennis (last appearance in Adventures of Rex, the Wonder Dog #38; next appearance in Adventures of Rex, the Wonder Dog #39)
• Major Dennis (last appearance in Adventures of Rex, the Wonder Dog #38; next appearance in Adventures of Rex, the Wonder Dog #41)

Villain(s)

• A hawk and a mountain lion (no further appearances)

Other Character(s)

• Baku (a bear cub; no further appearances)
• A shepherd girl (no further appearances)

Synopsis:
While on a fishing trip, Rex rescues Danny when he falls in the river. A friendly bear cub approaches them, but Danny scares it away. When a hawk menaces a herd of sheep, the bear cub watches Rex chase it away. Rex then helps the bear cub find its way home. On the way, Rex battles a mountain lion and has another battle with the hawk. Rex safely sees the cub home making a new friend in this process.