I've gathered the most common needs people have here, along with the single best resource on that subject.
Enjoy, and remember - Perfect Practice makes Perfect.
The single Best Resource on ...
... becoming a Powerful and Effective Dominant is:
Igniting the Fire: The Art of Romantic Submission by Master Arcane
... being a Healthy and Happy Submissive is:
Care and Nurture for the Submissive by Elizabeth Cramer
... becoming a great Hypnotist (do this first) is:
Hypnotic Language Shortcut System + Videos by Igor Ledowchowski
... becoming an EROTIC Hypnotist (do this second) is:
The Power of Erotic Hypnosis by Mark Cunningham
... brainwashing your consenting Partner is:
The Brainwashing Book by Sleepingirl
... casual dating and picking up girls:
BradP's 3030 Club which is found here
... having fulfilling and rewarding relationships is:
The Unchained Man by Caleb Jones
... getting yourself out of being a Nice Guy and setting boundaries as a Man:
No More Mr Nice Guy by Dr Robert Glover
... treating your own Depression is:
Focusing on Feeling Good by Micheal Yapko