The original Mr Sykes
The lonely chromosome
Ribbons of life
The last embrace
Sex and the single chromosome
How to make a man
Sex tips from fish
Why bother with sex?
The ideal republic
The sense of sex
The separation of the sexes
A war on two fronts
A rage to persuade
Men of the world
Blood of the Vikings
The Y-chromosome of Somhairle Mor
The great Khan
The old school register
The eleven daughters of Tracy Lewis
The slaughter of the innocents
The rise of the tyrant
The sperm of Tara
The gay gene revisited
Gaia's revenge
Lifting the curse.