Sexology - 20 PDF eBooks

This book contains a scientific description of mechanisms and regularities of the development of the reproduction system of human beings, including embryonic period, childhood and adolescence.
It also contains a thorough description of mechanisms of forming of homosexuality of both sexes, using results of relevant experiments on animals as a scientific basis.

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A Girl's Guide To 21st Century Sex

Not a porn movie , but Contains some explicit material If you might get offended, don't scroll down!

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