Il filtro diabolico

Plot and script: Marcello Toninelli
Artwork: Franco Bignotti
Cover: Gallieno Ferri

In the company of a trapper called Little Owl, Zagor manages to reach Chico and his accomplice, but the Mexican has turned into a human beast thirsty for blood and tries to kill him! What has happened to him? This question is answered when Zagor clashes with an old enemy...

In this issue: The cover story ends on page 58. The story entitled “Il grande complotto” (by A. Castelli and F. Donatelli) begins on page 59 and continues in the following four issues.