Books tagged: intercourse timing

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Intercourse - Do You Really Know The Person Sleeping In Your Bed?
Price: $3.99 USD. Words: 21,160. Language: English. Published: October 4, 2011. Categories: Nonfiction » Sex and Relationships  » Sexual behavior
He’s charming, handsome and debonair. She’s got all the right curves, long pretty hair and a smile to die for. The two of you have intercourse. But who did you sleep with last night? Furthermore, how do you know you’re not pregnant? Is the person you’re sleeping with really who you think they are?
The Sexual Odds
Price: $5.99 USD. Words: 43,770. Language: English. Published: March 13, 2011. Categories: Nonfiction » Sex and Relationships  » Sex research
The Sexual Odds combines a humorous account of attempts during the last 2,500 years to produce mainly sons together with an explanation of how the sex of children is actually settled at conception. Potential parents thus better informed should then be able to arrange their frequency and timing of intercoure to tilt the odds towards sons or daughters as preferred.