Christiane Northrup, M.D., author of Women's Bodies, Women's Wisdom says this about Sex As Nature Intended It:

I've always felt that the male foreskin is there for a reason.  Until recently, I didn't know exactly what that reason was.  But now, thanks to Kristen O'Hara's well-researched book, I finally understand the reasons for the design of the penis and foreskin, and how this design ensures optimal penile function, including the intact organ's ability to satisfy the female sexually.

At yesterday's meeting of the RESTORE Group, (a member) commented that your book was an excellent "how to" text and that he adopted your method of intercourse as you described it . . . and he and his wife experienced the most satisfying sex of their 37 years of marriage.  He said he wished he'd known "how to" 37 years earlier.

I've heard so much about your book.  The guys at FatherMag (http://www.fathermag.com/forum) have been raving about it for quite some time!  I'll be sure to let them know about the e-book!

A world of thanks for your efforts in writing this wonderful book. . .
The way you have set the record straight is like a beautiful piece of music that helps resolve so much conflict at the end of a saga. 
Both my wife and I will always be grateful.

A copy of your book sits on my night stand and I find myself continually referring to it for ideas and inspiration.  It is such a great resource and wealth of information that I think everyone should own!

I finished reading your book, there wasn’t one page that I did not “scrutinizingly” highlight and dog ear, I think I dog-eared almost every page, wow.  It’s not only the best circumcision book I’ve ever read (I have quite a few), but also the best book I’ve ever read.  So complete, so thorough. . . and highly erotic.

Outstanding book. This book enabled my wife to fully understand why I'm restoring [my foreskin]. . . Believe me, this is the best book on why to restore out there.  Best 20 bucks I've spent (now it is even cheaper).

I received your book.  Thank you very much and congratulations!  I've studied this subject for many years and learned so much more from reading your book.  Best book I have ever read! 

. . . I am finding your book very educational and only wish I'd had access to much of its information many years sooner, like when I was about 17.  Maybe I'll package copies for my 2 grandsons to open on their 17th birthdays. . . A very impressive work.  I hope it'll be convincing to many, many women, as well as their husbands and boyfriends.

The O'Hara's make it clear that the foreskin is the most erogenous, sensual and sensitive part of the male sex anatomy. They also make it clear that the foreskin also increases sexual pleasure in the female partner during sex. . .Their book should be required reading in every sex education and child birth class in this country.

I really enjoyed your book. . . I think it will be helpful and enlightening for many, including women. . . I can't wait to see you on Oprah--maybe this will be the piece that finally wears down her resistance to discussing male circumcision publicly.

The book is wonderful. . . I am enjoying reading your bolded quotes from women who can make a comparison. . . As I read on, your book revealed to me the actual mechanism that is at play during intercourse
--this is precisely and very clearly what I was so curious about and wanted to know.  

I was a lucky recipient of the first copy of the second edition.  I am continually thinking thoughts of gratitude to you, and continually amazed at the depth of my response to your book.  I received it over a month ago, and I read it immediately, more than once for most chapters, and have been experiencing a deep process around understanding my past sexual experiences. . . I am so moved, and actually have enough thoughts to write a chapter of my own to you. . .
I wish for your words to be spread far and wide, and your research to be listened to, and RESPONDED to, in ways which increase sexual wholeness and freedom for all.

Sex As Nature Intended It is very likely to become the sex text that all future researchers and text writers will reference when human sexuality is the focus.