Across the Unknown
By: [by] Steward Edward White and Harwood White.
Publisher: Berkley
Published: 1970
Place of publication: New York, USA
Language: eng
Format: Paperback
Number of pages: 301
ISBN-13: 9780425017869
Notes: A Berkley Medallion book.
"Transmitted by Betty" [pseud.]
Sequel to: The Betty Book.