Kabat-Zinn, J. (1994). Wherever you go, there you are: Mindfulness meditation in everyday life. Williams, M. & Penman, D. (2011) - Available on amazon
Mindfulness: A practical guide to finding peace in a frantic world. Mark Williams and Chris Cullen - Available on amazon
Goleman, D., & Davidson, R. J. (2017). Altered traits: Science reveals how meditation changes your mind, brain and body. New York: Avery Publishing Group. More of a popular science book than a mindfulness guide as such - Available on amazon
Mindful.org Includes guidance on getting started with a mindfulness practice and articles about the science of mindfulness and mindfulness-based programs.