Detective Comics (1937 1st Series) #447

Cover by Dick Giordano. "Enter: The Creeper", script by Len Wein, pencils by Ernie Chan, inks by Dick Giordano

The Creeper goes after Batman to determine whether or not his old friend is a murderer, and both of them are menaced by freed lions at the city zoo. "The Puzzle of the Pyramids," script by Bob Rozakis, pencils by A. Martinez, inks by Mazzaroli; Hudson students have a pyramid building contest to help the University build its new art gallery to store some priceless papers; During the contest someone steals the papers and Robin has to figure out which student pulled the heist. Hostess snack cakes ad with Batman and The Mummy. 

36 pgs., full color. $0.25. Cover price $0.25.