The Selfish Gene was dropped. The book contains no illustrations. The book has been translated into at least 23 languages including Arabic, Thai and Turkish. In 2006, a 30th-anniversary edition was published with the Trivers foreword and a new introduction by the author. It was accompanied by a "festschrift" entitled "" (2006). In March 2006, a special event entitled "The Selfish Gene": Thirty Years On was held at the London School of Economics. In March 2011, Audible Inc published an audiobook edition narrated by Richard Dawkins and Lalla Ward. In 2016, Oxford University Press published a 40th anniversary edition with a new epilogue,
Unnatural Selection: Why the Geeks Will Inherit the Earth have geek-like powers, fostering a cognitive arms race’. ‘For the first time in human history,’ Roeder wrote, ‘humans will have the capacity to chart their own evolution - as the process of Darwinian natural selection is superseded by unnatural selection.’ He warns that 'human enhancement technologies will eventually threaten our sense of identity as human beings.' Steve Silberman, an editor of "Wired" magazine, wrote that Unnatural Selection ‘is a provocative book that explains why (geeks) have become a social force driving a new kind of human evolution.’ Author Daniel Wilson suggested that the book ‘paints a compelling picture of human