Professor Solomon authored and edited more than 45 books, including "The Passions", "About Love", "Ethics and Excellence", "A Short History of Philosophy" with Professor Kathleen Higgins, "A Better Way to Think about Business", "The Joy of Philosophy", "Spirituality for the Skeptic", "Not Passion's Slave", and "In Defense of Sentimentality". He also wrote about business ethics in "Above the Bottom Line", "It’s Good Business", "Ethics and Excellence", "New World of Business" and "A Better Way to Think about Business". He had designed and provided programs for corporations and organizations around the world and his books have been translated into more than a dozen languages.