Comic Title: Batman #159
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: November 1963
On Sale Date: September 5, 1963 Copyright Date September 5, 1963
Source: Library of Congress, Periodicals 1963

Frequency: Monthly, with the exception of Jan., April, July and Oct.
Cover Price: $0.12
Page Count: 32
Editor: Jack Schiff

Title: "The Great Clayface-Joker Feud"
Pages: 16

Feature(s):
Batman (of Earth-1)

Writer: Bill Finger
Penciller: Sheldon Moldoff
Inker: Charles Paris

Reprinted In:
Greatest Joker Stories Ever Told HC (1989)
Greatest Joker Stories Ever Told TPB (1989)
Stacked Deck:The Greatest Joker Stories Ever Told HC (1990)
Joker:80 Years of the Clown Prince of Crime:The Deluxe Edition HC (2020)

Feature Character(s)

• Batman (last appearance in Detective Comics #320; next appearance in World's Finest Comics #137)

Supporting Character(s)

• Robin (last appearance in Detective Comics #320; next appearance in World's Finest Comics #137)
• Commissioner Gordon (last appearance in Detective Comics #320; next appearance in Batman #160)
• Batwoman (last appearance in World's Finest Comics #136; next appearance in Detective Comics #321)
• Bat-Girl (last appearance in Batman #153; next appearance in Detective Comics #322)

Villain(s)

• Joker (last appearance in Batman #152; next appearance in Batman #163)
• Clayface (last appearance in Detective Comics #312; next appearance in World's Finest Comics #140)
• Three underworld hoods (no further appearances)

Synopsis:
Matt Hagen escapes from jail and locates a hidden cache of liquid that will transform him into Clay-Face. Hagen discovers a way to synthesize the liquid, but the new formula only lasts five hours. Despite his new limitation, he is able to return to his life of crime.

The Joker is upset that Clay-Face is atrracting so much attention. The Clown Prince begins a feud with Clay-Face, each pulling robberies using the other’s modus operandi. Batman and Robin catch the Joker with the assistance of Batwoman and Bat-Girl. Then Batman impersonates the Joker in order to trap Clay-Face. However, Batman is unable to discover Hagen’s secret cache of formula.