Thrice Upon A Time is a captivating science fiction novel by James P. Hogan. It tells an exciting story of adventure and discovery, set in a world of advanced technology and scientific exploration. The book is a must-read for anyone who loves science fiction and wants to be transported to new and exciting worlds. With its gripping narrative and vivid imagery, Thrice Upon A Time is sure to captivate readers of all ages. So why wait? Get your hands on a copy today and embark on an unforgettable journey through space and time!