9781476729084 | Simon & Schuster, October 1, 2013, cover price $24.00

9780312558703, titled "Myths of the Zodiac" | Palgrave Macmillan, December 1, 1978, cover price $20.00 | also contains Myths of the Zodiac | About this edition: Commentaries on the astrological and astronomical background of each of the twelve signs of the zodiac are illustrated with photographs of contemporary sculpture by Marcelle Quinton

9781476729091 | Reprint edition (Simon & Schuster, June 3, 2014), cover price $15.99

9781442370906 | Unabridged edition (Simon & Schuster, June 3, 2014), cover price $14.99 | About this edition: The international bestselling romantic comedy “bursting with warmth, emotional depth, and…humor,” (Entertainment Weekly) featuring the oddly charming, socially challenged genetics professor, Don, as he seeks true love is now available from Encore for a great value!

9781442363014 | Unabridged edition (Simon & Schuster, October 1, 2013), cover price $29.99 | About this edition: An international sensation, this hilarious, feel-good novel is narrated by an oddly charming and socially challenged genetics professor on an unusual quest: to find out if he is capable of true love.

9781611739275 | Large print edition (Center Point Pub, November 1, 2013), cover price $36.95 | About this edition: FOR USE IN SCHOOLS AND LIBRARIES ONLY.

9780606357531 | Reprint edition (Turtleback Books, June 3, 2014), cover price $28.15

9780312558703 | Palgrave Macmillan, December 1, 1978, cover price $20.00 | also contains The Rosie Project | About this edition: Commentaries on the astrological and astronomical background of each of the twelve signs of the zodiac are illustrated with photographs of contemporary sculpture by Marcelle Quinton