283 Essays on Infinite Lifespans   Further Resources Kaufman, Wallace; No Turning Back: Dismantling the Fantasies of Environmental Thinking (1995) Perseus Book Group; ASIN:0465051197 Lawson, Chris; The Tithonus Option is Not an Option (1999) presented at the SF Worldcon held in Melbourne, Australia Perry, John; A Dialogue on Personal Identity and Immortality (1978); Hackett Publishing Company; ISBN:0915144530 Perry, Michael; Forever For All: Moral Philosophy, Cryonics, and the Scientific Prospects for Immortality (2000); Universal Publishers; ISBN:1581127243 Novels Broderick, Damien; Transcension (2003); Tor Books; ISBN:0765303701 Dewdney, Christopher; Last Flesh: Life in a Transhuman Era (1998); HarperCollins Canada; ISBN:0006384722 Egan, Greg; Permutation City (1998); Gollancz; ISBN:0752816497 Halperin, James; The First Immortal (1998); Ballantine Books; ISBN:0345420926 Harrington, Alan; The Immortalist (1977) Ten Speed Pr.; ASIN:0890871353 Heinlein, Robert; The Door Into Summer (1986); Del Rey Books; ISBN:0345330129