I have found many books useful on my road to ordination, in time I will add them to this list. I hope others find them useful.
The Young Man’s Guide: Counsels, Reflections and Prayers For Catholic Young Men, by Rev. F.X. Lasance, Nihil Obstat John M A Fearns STD, Censor Librorum, Imprimatur ✠ Francis Cardinal Spellman, Archbishop of New York, New York, March 24 ,1952
Christ The Ideal of the Priest, by Bl. Columba Marmion, Gracewing, ISBN 0-85244-657-8
The Priest is Not His Own, by Ven. Archbishop Fulton J. Sheen, Ignatius Press, ISBN 9781586170448
Vademecum: Meditations on the Priesthood, by Stephen Moseling, St Paul’s Publishing, ISBN 978-0-85439-766-2