The Almanack of Naval Ravikant. This book, written by Ravikant and his collaborators, is a collection of thoughts, advice, and personal anecdotes on various topics, including building wealth, making sound judgments, and achieving happiness. The main focus of the book is Ravikant's personal philosophy, which emphasizes seeking wealth through leverage and specific knowledge, cultivating clear thinking, and building habits that lead to inner peace and fulfillment. The book is also packed with recommendations for further reading on topics such as philosophy, history, and technology.