Here is a share of my library of ttwd related reference materials ... some have been read end to end and back again ... and some, I haven't read quite as thoroughly. In providing this information, it is not my intent to recommend any book or approach. I am including all, as you never know, there might be something here that works for you ...
Books purchased and read in 2018
Conquer Me: girl-to-girl wisdom about fulfilling your submissive desires - Kacie Cunningham
Some older titles we purchased years ago when we were newbies to the D/s world - newer editions are still available, including digital formats:
The Loving Dominant - John Warren, Libby Warren
Screw the Roses, Send Me the Thorns - Philip Miller & Molly Devon
SM 101: A Realistic Introduction - Jay Wiseman
DD (Domestic Discipline)
Purchased and/or read in 2018 ...
A Domestic Discipline Society - Blog/Website
If You Know What's Good for You - Adult spanking as discipline - Dana Kane
The Pleasure Mechanics Guide to Erotic Spanking - Chris Maxwell, Charlotte Mia Rose
The Compleat Spanker - Lady Green
How to Get the Spanking You Want ...
How to Give a Spanking ...
... and a few more other spanky books from Variant Books
... and the blog of 'Vivian', the author of the above Variant books ... is called The Disciplined Feminist (still available but no posts for some time)
Better Sex Through Mindfulness: How Women Can Cultivate Desire - Lori A. Brotto
The Intelligent Patient Guide to Prostate Cancer - Larry Goldenberg, Tom Pickles, Kim N. Chi
The Vancouver Sun Newspaper - a 5 part Prostate Cancer series
Full Catastrophe Living (Revised Edition): Using the Wisdom of Your Body and Mind to Face Stress, Pain, and Illness - Jon Kabat-Zinn
The Psychology of Achievement: The Phoenix Seminar - Audio - Brian Tracy
... no longer available for purchase but Brian Tracy resources can still be found at https://www.briantracy.com