Garden City, New York: Nelson Doubleday, 1972. dj. Hardcover - Novel set in the far distant future, when men have been bred out of existence - but after 500 years of a world of only women, a frozen body of a man is discovered in the Arctic and his DNA is used to create a male embryo . 218 pp. Dust jacket painting by Brad Holland.

New York: Henry Holt, (2008) dj. SIGNED hardcover - "Seventeen-year-old Jenna has just awoken from a coma, they tell her, and she is still recovering from a terrible accident in which she was involved a year ago. But what happened before that? Jenna doesn't remember her life. Or does she? And are the memories really hers?. . . Set in a near future America, [this novel] takes readers on an unforgettable journey through questions of bio-medical ethics and the nature of humanity." SIGNED on the title page. 265 pp. Promotional material laid in. ISBN: 978-0805076684.

New York: Crown, (2010) dj. Hardcover first edition - A bio-technological thriller, originally released in 2005-6 in an early version as an audiobook podcast, and then as a small press novel - "a tale of genetic experimentation's worst nightmare come true. . . On a remote island in the Canadian Arctic, PJ Colding leads a group of geneticists who have discovered this holy grail of medicine. By reverse-engineering the genomes of thousands of mammals, Colding's team has dialed back the evolutionary clock to re-create humankinds common ancestor. The method? Illegal. The result? A computer-engineered living creature, an animal whose organs can be implanted in any person, and with no chance of transplant rejection." 421 pp. ISBN: 97-0307406330.