Sperm Wars: Infidelity, Sexual Conflict, and Other Bedroom Battles
Sold by Ergodemedia, an authorized reseller of Authentic New & Used Books with Free US Shipping.
30-day returns by mail · Refunded to original payment method | support@ergodemedia.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch via USPS / UPS
- Securely packed to ensure your book arrives in the described condition
- Tracking number sent via email once dispatched
- Taxes calculated at checkout. International shipping not available.
Returns & Refund
Returns accepted within 30 days of delivery. Returns are processed by mail. Refunds are issued to the original payment method within 5–7 business days of receiving the returned item.
Damaged, Defective or Misrepresented Item
Free return shipping by mail · Full refund to original payment method
Wrong Item Received
Free return shipping by mail · Full refund or replacement at your choice
Change of Mind
Return shipping at customer's expense · Book must be in the same condition as received · Refund to original payment method
Safety & Compliance
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.govBook Condition & Care Notice
Used books are graded and described accurately — condition details are listed on each product page. Books may contain previous owner's handwriting, highlights, or stamps unless stated as new. Store books away from direct sunlight and moisture to preserve their condition.
New books are sealed or unread. Used books are inspected before dispatch.
Product Authenticity & Notice
All books sold by Ergodemedia are 100% authentic, sourced directly from publishers and trusted distributors. Book condition is accurately graded and described. Some books may contain previous owner's markings or inscriptions.
Ergodemedia — Authentic New & Used Books. Free US Shipping. Delivered to Your Door.
Description
This Classic Work On The Rules Of Sex -- Updated For A New Generation -- Is Still As Provocative As The Day It Was Published, Providing Simple Explanations For Any And All Questions About What Happens In The Bedroom.Sex IsnT As Complicated As We Make It. In Sperm Wars, Evolutionary Biologist Robin Baker Argues That Every Question About Human Sexuality Can Be Explained By One Simple Thing: Sperm Warfare. In The Interest Of Promoting Competition Between Sperm To Fertilize The Same Egg, Evolution Has Built Men To Conquer And Monopolize Women While Women Are Built To Seek The Best Genetic Input On Offer From Potential Sexual Partners.Baker Reveals, Through A Series Of Provocative Fictional Scene, The Far-Reaching Implications Of Sperm Competition. 10% Of Children Are Not Fathered By Their Fathers; Over 99% Of A ManS Sperm Exists Simply To Fight Off All Other MenS Sperm; And A Woman Is Far More Likely To Conceive Through A Casual Fling Than Through Sex With Her Regular Partner.From Infidelity, To Homosexuality, To The Female Orgasm, Sperm Wars Turns On Every Light In The Bedroom. Now With New Material Reflecting The Latest Research On Sperm Warfare, This Milestone Of Popular Science Will Still Surprise, Entertain, And Even Shock.
Shop The Full Collection