* Presence: The Art of Living in the Here and Now (1997): This book explores the concept of mindfulness and how to cultivate it in daily life. It draws on Buddhist teachings and practical exercises to help readers develop awareness, presence, and compassion.
* Mindfulness Meditation: A Complete Guide to Developing Your Practice (2010): This comprehensive guide provides instructions and techniques for practicing mindfulness meditation. It covers topics such as body scanning, breath awareness, and loving-kindness meditation, making it suitable for both beginners and experienced practitioners.
* Living in the Heart: Radical Acceptance in Daily Life (2013): This book explores the concept of radical acceptance, a key principle in mindfulness practice. It offers guidance on how to embrace life's challenges, find peace with difficult emotions, and develop self-compassion.
* The Art of Being: 101 Ways to Practice Mindfulness in Daily Life (2014): This book presents a collection of practical tips and exercises for incorporating mindfulness into everyday activities, from brushing your teeth to eating meals to dealing with stress.
* The Place of Wonder: From Darkness to Light with Lessons Learned on the Trail (2018): This memoir recounts Arnold's personal journey of healing and transformation through mindfulness and the outdoors, including her experience of hiking the Camino de Santiago.
* How the Light Gets In: Reflections on Depression, Hope, and Finding Our Way Forward (2019): In this book, Arnold explores the topic of depression, combining personal anecdotes, insights from mindfulness practice, and scientific research to offer guidance and support to those struggling with mental health challenges.
In addition to these books, Arnold has also contributed chapters to various anthologies and written articles for publications such as "Mindful" magazine and the "HuffPost."