Great resources for discernment
The best of all books to read is the Bible.
The USCCB (United States Conference of Catholic Bishops) has just launched their new vocations website, ForYourVocation.org.
Books on Vocation Discernment
To Save a Thousand Souls: A Guide for Discerning a Vocation to Diocesan Priesthood - Fr. Brett Brannen
Personal Vocation: God Calls Everyone By Name - Dr. Germain Grisez and Russell Shaw
What Does God Want – Fr. Michael Scanlon
Discovering Your Personal Vocation – Herbert Alphonso, S.J.
Is Jesus Calling You To Be A Catholic Priest? A Helpful Guide – Fr. Thomas Richter, published by the NCDVD
Radical Surrender; Letters to Seminarians – Fr. Michael Najim
Paths of Love: The Discernment of Vocation According to the Teaching of Aquinas, Ignatius, and Pope John Paul II – Joseph Bolin
Could You Ever Become a Catholic Priest? – Christopher J. Duquin & Lorene Hanley Duquin
Called by Name: The Inspiring Stories of 12 Men Who Became Catholic Priests – Christine Mugridge
Books on Celibacy
The Courage to be Chaste – Fr. Benedict Groeschel, CFR
When God Asks for an Undivided Heart – Fr. Andrew Apostoli, CFR
Sacerdotalis Caelibatus (Priestly Celibacy) – Pope Paul VI, 1967
Virginity – Fr. Raniero Cantalamessa
“…And You are Christ’s” The Charism of Virginity and the Celibate Life – Thomas Dubay, S.M.
Books on Priesthood
Priests for the Third Millennium – Archbishop Timothy Dolan
The Priest is Not His Own – Archbishop Fulton J. Sheen
Those Mysterious Priests – Archbishop Fulton J. Sheen, 2005
A Priest’s Life: The Calling, The Cost, The Joy – The Word Among Us Press
The Joy of Priesthood – Msgr. Steve Rosetti
Reclaiming our Priestly Character – Fr. David Toups
Maurice and Therese: The Story of a Love – Saint Therese of Lisieux
Short Catechism on the Priesthood – St. John Vianney
The Grace of Ars – Fr. Frederick Miller
Together on the Road: A Vision of Lived Communion for the Church and the Priesthood – Massimo Camisasca
Dear Father: A Message of Love to Priests – Catherine De Hueck Doherty
Be Holy! God’s First Call to Priests Today – Thomas Forrest, C.Ss.R.
A Celebration of Priestly Ministry: Challenge, Renewal, and Joy in the Catholic Priesthood – Cardinal Walter Kasper
Presbyterorum Ordinis (Order of Priests), 1965 – Sacerdotii Nostri Primordia (From the Beginning of Our Priesthood) 1959
Pastores Dabo Vobis (I will Give You Shepherds), 1992 – Program of Priestly Formation (5th Edition), U.S. Conference of Catholic Bishops, 2005
Biographies or Autobiographies of Priests
The Cure D’Ars: St. Jean-Marie-Baptiste Vianney – F. Trochu
A Priest Forever – Fr. Benedict Groeschel
He Leadeth Me – Fr. Walter J. Ciszek, S.J.
Edmund Campion – Evelyn Waugh
Treasure in Clay – Archbishop Fulton Sheen
The Grunt Padre – Fr. Daniel Mode
A Shepherd in Combat Boots: Chaplain Emil Kapaun of the 1st Cavalry Division - William L. Maher
Holy Man: Father Damien of Molokai – Gavan Daws
The Shadow of His Wings: The True Story of Fr. Gereon Goldmann, OFM - Gereon Karl Goldmann