Christopher Ryan
Books
Civilized to Death: The Price of Progress
2018
ISBN 9781982135652
Sex at Dawn: How We Mate, Why We Stray, and What It Means for Modern Relationships
2010
ISBN 9780062002938
California Schemin': The 2020 Bouchercon Anthology
2020
ISBN 9781479451951
The Utterly Utterly Merry Comic Relief Christmas Book
1986
ISBN 9780006371281
The Religious roles of the papacy
1988
ISBN 9789004089457
High-performance interactive marketing
2001
ISBN 9788176494762
Civilized to Death
2019
ISBN 9781508297673
Eiffel Tower
1991
ISBN 9780516350264- No cover
Paritellen : seksuaalikäyttäytymisen kehityshistoria
2010
ISBN 9789510378458 
Soul Screaming Music 1975
2025
ISBN 9798990658677
Tangentially Reading
2018
ISBN 9780995684812- No cover
Sex At Dawn, How we mate, Why we stray, And what it means for Mordern relationships
2010
- No cover
In principio era il sesso: Come ci accoppiamo, ci lasciamo e viviamo l’amore oggi
2010
- No cover
Секс на заре цивилизации. Эволюция человеческой сексуальности с доисторических времен до наших дней
2010