These two books, The Power of Now, by Eckhart Tolle and The Presence Process, by Michael Brown  are core resources that are open to all people in all situations.  If  you want to know where to start to find peace, joy and gratitude in your everyday living then start with these  They are essential for therapists and clients alike - experience your life as it is showing up in each moment.
Recommended Books & Resources
CompassionWorks offers these as resources that are helpful in traditional counseling methods and in developing presence and nondual awareness which takes us beyond our personal psychology.
(For recommendations, either use the tab above for Traditional, or Nondual Teachings)