Thinking, Fast and Slow by Daniel Kahneman: A Nobel Prize-winning book on cognitive biases and how they affect our decision-making.
You Are Not So Smart by David McRaney: A humorous and accessible exploration of cognitive biases and self-deception.
The Power of Habit by Charles Duhigg: Explores the science of habit formation and how it relates to beliefs and behaviors.
Mistakes Were Made (but Not by Me): Why We Justify Foolish Beliefs, Bad Decisions, and Hurtful Acts Carol Tavris and Elliot Aronson.
Belief: Readings on the Reason for Faith edited by Francis S. Collins (This is a collection of essays on the nature of belief from various perspectives).
The Believing Brain: From Ghosts and Gods to Politics and Conspiracies—How We Construct Beliefs and Reinforce Them as Truths by Michael Shermer.