[en] The Science of Positivity Adams Media
[en] Beyond Cynical: Transcend Your Mammalian Negativity Inner Mammal Institute
[en] Habits of a Happy Brain Adams Media
[en] Tame Your Anxiety Rowman & Littlefield Publishers
[en] Meet Your Happy Chemicals · Dopamine, Endorphin, Oxytocin, Serotonin Createspace
[en] ANXIETY · What Turns It On. What Turns It Off. Rowman & Littlefield Publishers