Author
Don Miguel Ruiz
2 books reviewed on Book of the Day.

The Four Agreements: A Practical Guide to Personal Freedom (A Toltec Wisdom Book)
by Don Miguel Ruiz
Don Miguel Ruiz distills Toltec teaching into four short behavioral rules, arguing that most adult suffering comes from habits of speech, assumption, and self-judgment that can actually be unlearned.

The Mastery of Love: A Practical Guide to the Art of Relationship (A Toltec Wisdom Book)
by Don Miguel Ruiz
Don Miguel Ruiz's follow-up to The Four Agreements applies Toltec teachings directly to romantic relationships, arguing that most relationship pain comes from expecting a partner to supply happiness that only self-love can provide.