Terror in the Tall Tower

Here's a cover created by Denis McLoughlin from 1974. Love this: it's such a classic pulp image... See here for Ian Kennedy's version from the reprint collection in the eighties.

Terror in the Tall Tower

A giant octopus living in an old abandoned skyscraper in New York-yay!!
This is Ian Kennedy's cover for a reprint edition from 1980. See here for a peek at an original cover from the first run of this series