The following is a recommending reading list of books to study the Buddhist teachings.
Old Path, White Clouds
Thich Nhat Hanh
Buddha
Karen Armstrong
Heart of the Buddha’s Teachings
Thich Nhat Hanh
The Four Noble Truths
Ajahn Sumedho
The Noble Eightfold Path
Bikkhu Bodhi
A Concise History of Buddhism
Andrew Skilton
Zen Keys
Thich Nhat Hanh
Women in Buddhism
Diana Y. Paul
Anapanasati Sutra
Easily available online, e.g. http://www.accesstoinsight.org/tipitaka/mn/mn.118.than.html
Satipatthana Sutra
Available online, e.g. http://www.accesstoinsight.org/lib/authors/soma/wayof.html. Also contained in the Miracle of Mindfulness
The Tree of Enlightenment
Peter Della Santina
Available online, e.g. http://www.buddhanet.net/pdf_file/tree-enlightenment.pdf, or purchasable in hard copy
How We Live Is How We Die
Pema Chodron
Buddhism in America
Richard Hughes Seager
In the Buddha’s Words
Bhikkhu Bodhi
Living Buddha, Living Christ
Thich Nhat Hanh
Dhammapada
Various source, e.g in the Sutta Pitaka of the Pali Tipitaka
Ananda Maitreya translation ISBN 0938077872
Other versions available for free, e.g. http://www.buddhanet.net/pdf_file/scrndhamma.pdf or http://www.accesstoinsight.org/tipitaka/kn/dhp/
Heart Sutra
The Other Shore: A New Translation of the Heart Sutra with Commentaries, by Thich Nhat Hanh
Diamond Sutra
There are two versions of this book. This 677 page is the one you want. The other is 133 pages. A presumably public domain copy of the 1938 edition of this book is available (in multiple formats) at https://archive.org/details/in.ernet.dli.2015.279263
Awakening of the Faith
Versions are available online, e.g. Suzuki’s translation at https://archive.org/details/TheAwakeningOfFaithInTheMahayanaDTSuzuki or Hakeda’s at http://www.thezensite.com/ZenTeachings/Translations/Awakening_of_faith.html
Amitabha Sutra
Finding Our True Home: Living in the Pure Land Here and Now
by Thich Nhat Hanh
The sutra itself is easily found online, e.g. at tripod.com
Sutra of Hui Neng
Also called ‘Sutra Spoken by the sixth Patriarch’ and ‘The Platform Sutra’
Other versions easily available online, e.g. http://www.thezensite.com/ZenTeachings/Translations/PlatformSutra_McRaeTranslation.pdf or http://info.stiltij.nl/publiek/meditatie/leraren/_historisch/huineng-platform-price.pdf
Lotus Sutra
Peaceful Action, Open Heart: Lessons from the Lotus Sutra
by Thich Nhat Hanh
An older release of the above book is: Opening the Heart of the Cosmos: Insights on the Lotus Sutra
by Thich Nhat Hanh
Vimalakirti Sutra
Translated by Burton Watson
This translation appears to be available online at http://lirs.ru/lib/sutra/The_Vimalakirti_Sutra,Watson,1997.html
Tao Te Ching
A Buddhist Bible” by Dwight Goddard
The Universe in a Single Atom: the Convergence of Science and Spirituality
by HH the Dalai Lama
Understanding Our Mind: 50 Verses on Buddhist Psychology
Thich Nhat Hanh
Previously published under the title Transformation at the Base
Stepping into Freedom
Thich Nhat Hanh
Avatamsaka Sutra
An online version of Cleary’s translation is downloadable, in multiple formats, from archive.org at https://archive.org/details/TheFlowerOrnamentScriptureATranslationOfTheAvatamsakaSutraByThomasClearypdfdtyxxytd
As of 2022, Kalvinka Press offers a three volume translation. Physical versions of these are available for sale. Kalvinka also makes all three volumes available as PDFs for a voluntary donation. See https://www.kalavinka.org/kp_book_pages/HY-EO_V1-V3_book_page.htm for more information
Anger
Thich Nhat Hanh
The Way of the Bodhisattva
Shantideva, Padmakara Translation Group
The Heroic Heart: Awakening Unbound Compassion
Jetsunma Tenzin Palmo
A Heart Full of Peace
Joseph Goldstein, Wisdom Publications
Open Heart, Clear Mind: An Introduction to the Buddha’s Teachings
Thubten Chodron
Zen Mind, Beginner’s Mind
Shunryu Suzuki
The Story of Buddhism: A Concise Guide to Its History and Teachings
Donald S. Lopez, Jr.
Master Tāng Hôi, first Zen Teacher in Vietnam and China
Thich Nhat Hanh
Learning True Love
Sister Chan Khong
Breathe: You Are Alive
Thich Nhat Hanh
The Miracle of Mindfulness
Thich Nhat Hanh
Breath by Breath: The Liberating Practice of Insight Meditation
Larry Rosenberg
Transformation and Healing
Thich Nhat Hanh
The Four Foundations of Mindfulness in Plain English
Bhante Gunaratana
Mindfulness, A Practical Guide to Awakening
Joseph Goldstein
The Four Foundations of Mindfulness
Sayadaw U. Silananda
What the Buddha Taught
Walpola Rahula
The Vision of Buddhism
Roger j. Corless
Buddhism in Daily Life
Nina Van Gorkom
The World of Tibetan Buddhism: An Overview of its Philosophy and Practice
HH the Dalai Lama
Essential Tibetan Buddhism
Robert A. F. Thurman
Tibetan Buddhism from the Ground Up: A Practical Approach for Modern Life
B. Alan Wallace and Steven Wilhelm
Luminous Passage, The Practice and Study of Buddhism in America
Charles S. Prebish
American Buddhism, Methods and Findings in Recent Scholarship
Duncan Ryuken Williams and Christopher S. Queen
The Faces of Buddhism in America
Charles S. Prebish and Kenneth K. Tanaka
The Long Discourses of the Buddha: A Translation of the Digha Nikaya
Maurice Walshe and Ajahn Sumedo
The Middle Length Discourses of the Buddha: A Translation of the Majjhima Nikaya
Bhikkhu Nanamoli and Bhikkhu Bodhi
The Numerical Discourses of the Buddha: A Complete Translation of the Anguttara Nikaya
Bhikkhu Bodhi
The Connected Discourses of the Buddha: A Translation of the Samyatta Nikaya
Bhikkhu Bodhi
The Dhammapada: A New Translation Of The Buddhist Classic With Annotations
Gil Fronsdal
7 podcasts covering all 26 chapters of this book are available for free (and can be downloaded) at http://www.zencast.org/ or http://amberstar.libsyn.com/webpage/category/The%20Dhammapada
Essence Of The Heart Sutra
HH the Dalai Lama
Thunderous Silence – A Practical Guide To The Heart Sutra
Dosung Yoo
The Diamond That Cuts Through Illusion
Thich Nhat Hanh
Awakening Of Faith In The Mahayana
Asvaghosa And D.T.Suzuki
An apparently free copy of various formats is available at https://archive.org/details/TheAwakeningOfFaithInTheMahayanaDTSuzuki
Pure Land, Pure Mind
Chu-Hung And Tsung-Pen Translated By J.C. Cleary
An apparently free copy of various formats is available at https://archive.org/details/PureLandPureMind
The Platform Sutra: The Zen Teaching Of Hui-Neng
Red Pine
The Sutra Of Hui-Neng: Grand Master Of Zen
Thomas Cleary
The Lotus Sutra
Translated By Burton Watson
The Ultimate Dimension
Thich Nhat Hanh (Sounds True Audio Cd)
The Holy Teaching Of Vimalakirti
Robert A.F. Thurman
This translation is available online at http://www2.kenyon.edu/Depts/Religion/Fac/Adler/Reln260/Vimalakirti.htm
The Way Of Chuang Tzu
Thomas Merton
Embracing Mind – The Common Ground Of Science And Spirituality
B. Alan Wallace
Buddha Mind, Buddha Body, Walking toward Enlightenment
Thich Nhat Hanh
Transformation at the Base (Understanding our Mind)
Talks 1-8 by Norman Fischer commenting on Thich Nhat Hanh’s Transformation at the Base: Fifty Verses on the Nature of Consciousness.
Found at everydayzen.org Click on teachings, all teachings, then search for ‘transformation’. All 8 talks should then be available
Alternatively, use this link everydayzen.org/teachings.
The Ultimate Dimension, an advanced retreat on the Avatamsaka and Lotus sutras
Thich Nhat Hanh, a 6 CD collection from Sounds True.
Avatamsaka talks
Norman Fischer, talks 1-5
Found at everydayzen.org Click on teachings, all teachings, then search for ‘avatamsaka’. All 5 talks should then be available
Alternatively, use this link everydayzen.org/teachings.
Hua-yen Buddhism, the Jewel Net of Indra
Francis H. Cook
Healing Anger: The Power of Patience from the Buddhist Perspective
HH the Dalai Lama
The Cow in the Parking Lot, A Zen Approach to Overcoming Anger
Leonard Scheff and Susan Edmiston
No Time to Lose
Pema Chodron
A Flash of Lightning in the Dark of Night: A Guide to the Bodhisattva’s Way of Life
HH the Dalai Lama
Practicing Wisdom: The Perfection of Shantideva’s Bodhisattva Way
HH the Dalai Lama
Mindfulness: A Practical Guide to Awakening
Joseph Goldstein
A Path with Heart: A Guide Through the Perils and Promises of Spiritual Life
Jack Kornfield
Lovingkindness: The Revolutionary Art of Happiness
Sharon Salzberg