"Blue Like Jazz" is a book written by Donald Miller that explores themes of faith, spirituality, and personal growth. It is a blend of memoir and philosophical reflection, where Miller shares his experiences growing up in a conservative Christian environment and his journey toward a more authentic understanding of faith. The book emphasizes the importance of honesty and vulnerability in spiritual life. The title refers to the idea that faith is not always straightforward or predictable, much like the improvisational nature of jazz music. Through anecdotes and insights, Miller encourages readers to embrace their doubts and questions, ultimately seeking a deeper connection with themselves and their beliefs.