ERB PUZZELS: I - Pellucidar Crossword Quiz

From Author Wars - https://authorwars.com/books/erb-puzzels-i---pellucidar-crossword-quiz-1926992.html

Overview:

Title: ERB PUZZELS: I - Pellucidar Crossword Quiz
Author: Mary Cazedessus John Flint Roy
Year: 1972
Type: Essays

Variant Titles:

1972. ERB PUZZELS: I - Pellucidar Crossword Quiz