Positivity Effect, Simple CBT Skills to Transform Anxiety and Negativity into Optimism and Hope, New Harbinger Publications, Dan Tomasulo,Assertiveness, motivation, self-esteem and positive mental attitude,Popular psychology, Positive psychology;anxious;depression;depressed;thoughts;feelings;therapy;counseling;treatment;recovery;negative;worry;rumination;stress;hope;hopefulness;happiness;cbt;cognitive behavioral therapy;resilience;confidence;self efficacy;social;OCD;GAD;generalized;disorder;panic;attack;natural remedy;emotion regulation;joy;motivation;perseverance;grit;gratitude;Seligman,, , United States, en-UShttps://www.newharbinger.comPositive psychology;anxious;depression;depressed;thoughts;feelings;therapy;counseling;treatment;recovery;negative;worry;rumination;stress;hope;hopefulness;happiness;cbt;cognitive behavioral therapy;resilience;confidence;self efficacy;social;OCD;GAD;generalized;disorder;panic;attack;natural remedy;emotion regulation;joy;motivation;perseverance;grit;gratitude;Seligman, [BLURB],[CITY],,books, ebooks, biblet, Book2look