The City Under Ground

From Author Wars - https://authorwars.com/publications/the-city-under-ground-435713.html

Overview:

Title: The City Under Ground
Author: Suzanne Martel
Year: 1975
ISBN-10: 0671297309
Publisher: Archway / Pocket Books
Price: $0.95
Pages: 159+[1]
Binding: Paperback
Type: Novel
Title Reference: The City Under Ground
Notes:
• "Viking edition published 1964" • "Archway Paperback edition published August, 1975" • Printing not stated, no number line • The cover artist is not credited, no visible signature • Translated by Norah Smaridge, from title page • "Illustrated by Don Sibley" on title page, repeating the illustrations from the Viking edition [and perhaps the French original] • "Cover art by Mac Conner" on back cover, no visible signature on the front cover • 29730 on the cover, SBN on spine and copyright page; ISBN derived • Printed in the US