Attitude Is Everything by Jeff Keller is a motivational guide focused on the power of positive thinking and the impact of attitude on achieving success. Keller, a motivational speaker and personal development coach, shares his own journey from dissatisfaction to fulfillment, attributing this transformation to a change in mindset. The book outlines practical steps for shifting one’s perspective, overcoming obstacles, and adopting a constructive approach to life's challenges. With inspirational stories and actionable advice, Keller emphasizes how a positive attitude can shape one's reality and unlock new opportunities.