Available Editions

Novel

Hardcover

Book cover for Secret Under Antarctica
1963 Year
Holt, Rinehart and Winston Publisher
Not Available for Purchase

Digital Books

Book cover for Secret Under Antarctica
2013 Year
Gateway / Orion Publisher
ISBN-13: 978-0-575-11229-2
ISBN-10: 0-575-11229-8
Not Available for Purchase

All-In-One

Paperback

Book cover for Secrets of the Deep
1985 Year
Critic's Choice Publisher
ISBN-13: 978-0-931773-29-7
ISBN-10: 0-931773-29-6
Buy on Amazon

Digital Books

Book cover for Secrets of the Deep
2014 Year
Start Science Fiction Publisher
ISBN-13: 978-1-60977-170-6
ISBN-10: 1-60977-170-2
Not Available for Purchase