My favorite App is Headspace. Although it is more expensive than most Apps I find that it is user friendly and makes meditation assessable to beginners and experienced meditators.
Other Mindfulness Apps: Calm, Stop Breath Think, Smiling Mind
Insight Timer, Buddify, Breathe, Gratitude!
Brené Brown on Vulnerability
Thich Nhat Hanh interview with Oprah Winfrey
Andy Puddicombe: All it takes is 10 mindful minutes
Jon Kabat-Zinn: What is Mindfulness?
The Upward Spiral by Alex Korb, Ph.D.
Buddha's Brain: The Practical Neuroscience of Happiness by Rick Hanson
Practicing the Power of Now by Eckart Tolle
The Life Changing Magic of Tidying Up: The Japanese Art of Decluttering and Organizing
by Marie Kondo
Younger Next Year
Whereever You Go, There You Are by Jon Kabet-Zinn
When Things Fall Apart by Pema Chodron
Books for Children:
What To Do When Your Brain Gets Stuck and What To Do When You Worry To Much by Dawn Huebner, Ph.D.
Mindful Monkey, Happy Panda by Lauren Alderfer