Books by Dr. Robert Sungenis
Dr. Robert Sungenis has written or edited 54 books, on Scripture, the Church Fathers, geocentrism and Catholic doctrine. This page lists every one by subject and series, with what each argues and the editions for sale.
Sandro Botticelli, St. Augustine in His Study, 1480. Ognissanti, Florence. Public domain.
Scripture and Apologetics
Commentaries, the Not By trilogy, and the shorter studies on doctrine.
The Not By trilogy (4)
Justification, Scripture and the Eucharist, with the short version of the first.
Not By Faith Alone
By Robert Sungenis · 2019
Justification is the doctrine the Reformation was fought over, and the claim at its centre is that a man is saved by faith apart from works.
Not By Scripture Alone
Edited · 2013
Not By Scripture Alone, edited by Dr. Robert Sungenis, answers sola scriptura: the claim that Scripture alone is the Christian's final authority.
Not By Bread Alone
By Robert Sungenis · 2019
Not By Bread Alone, by Dr. Robert Sungenis, is a book arguing that the Catholic Mass is a true sacrifice, from Scripture and the Fathers.
How Can I Get to Heaven?
By Robert Sungenis · 2019
The abridgement of Not By Faith Alone, about a third the length of its parent, with larger print, plain chapter titles and no footnotes or appendices.
Catholic Apologetics Study Bible (6)
Fresh translations with verse-by-verse commentary, one book of the Bible per volume.
CASB 1: The Gospel of St. Matthew
By Robert Sungenis · 2019
First in the Catholic Apologetics Study Bible series, this volume pairs a fresh word-for-word English translation of Matthew with a verse-by-verse…
CASB 2: The Apocalypse of St. John
By Robert Sungenis · 2007
The Apocalypse tends to be read either as a code for tomorrow's headlines or not at all.
CASB 3: The Epistles of Romans and James
By Robert Sungenis · 2009
Second edition, and the change is not cosmetic: the Revised Standard Version, Catholic Edition of 1966 is replaced by Sungenis's own literal…
CASB 4: The Book of Genesis, 1-11
By Robert Sungenis · 2009
Eleven chapters, 710 pages. Volume IV of the Catholic Apologetics Study Bible opens with a literal word-for-word translation of Genesis 1-11 made…
CASB 5: The First Epistle to the Corinthians
By Robert Sungenis · 2009
One letter, sixteen chapters, and most of the questions that divide Christians land somewhere in it.
CASB 6: The Gospel of St. John
By Robert Sungenis · 2011
Sixth in the Catholic Apologetics Study Bible series, and the volume that leans hardest on the Greek.
Douay-Rheims Commentary (4)
The whole New Testament exegeted from the Greek and Latin, in four volumes.
Douay-Rheims Commentary, Volume 1
By Robert Sungenis · 2022
Volume 1 of a four-volume series takes the Gospels in the order Mark, Matthew, John.
Douay-Rheims Commentary, Volume 2
By Robert Sungenis · 2024
Luke and Acts carry the second volume of the four-volume series.
Douay-Rheims Commentary, Volume 3
By Robert Sungenis · 2021
Ten epistles, Romans through First Timothy, are the ground of the third volume in the four-volume series.
Douay-Rheims Commentary, Volume 4
By Robert Sungenis · 2021
The closing books of the New Testament, Second Timothy through the Apocalypse, make up the fourth and last volume of the series.
Doctrine and the Church (6)
Keys Over the Christian World
Edited · 2022
Scott Butler and John Collorafi argue the case for papal primacy in the first eight centuries almost entirely out of primary sources, over 2,000 of…
Bible Studies for Catholics
By Robert Sungenis · 2015
Each study starts from a single passage and stays with it: Romans 6:4-5 for baptism, Hebrews 9:23-24 for the Mass, Matthew 16:18-19 for the papacy,…
The Immutable God Who Can Change His Mind
By Robert Sungenis · 2016
Scripture says God repented of making man, that His anger was appeased, that He changed His mind about a punishment.
The Demise of Catholic Scripture Scholarship
By Robert Sungenis · 2021
The turning point, as the introduction tells it, came under Pius XII.
Tongues Speaking: A Sign of Blessing and a Sign of Judgment
By Robert Sungenis · 2010
Ecstatic speech did not begin at Pentecost.
Why I Left the Catholic Church
By Robert Sungenis · 2019
Two Protestant converts out of Catholicism, David Riggs and Joseph Malone of the Church of Christ, set down their reasons at length.
Israel and the Covenant (4)
Supersessionism is Irrevocable
By Robert Sungenis
Recent Catholic statements on the Old Covenant have left readers unsure what the Church actually teaches, and the confusion is not accidental: the…
Why There Will Not Be a Mass Conversion of the Jews
By Robert Sungenis · 2023
Fr. James Mawdsley's If You Believed Moses argues that the Jews are promised a future conversion, and that the traditional Latin Mass teaches it…
Will the Jews Be Saved Just Before the Return of Christ?
By Robert Sungenis
A widespread belief holds that just before Christ returns, all the Jews then living will be saved, and it is almost always drawn from Romans 11:26,…
Catholic/Jewish Dialogue
By Robert Sungenis · 2010
Forty years of Catholic-Jewish dialogue have produced more questions than most Catholics can answer with any confidence, and this book puts them in…
Short studies (7)
Should Women Wear Head Coverings?
By Robert Sungenis · 2015
Head coverings at prayer and worship are usually described today as a custom of another age, binding on Corinth and not on us.
Does St. Paul Teach Mutual Submission of Spouses?
By Robert Sungenis
Ephesians 5:21, “and be subject to one another in the fear of Christ,” is the verse liberal and modernist commentators now use to put husband and…
Does the Bible Allow Homosexuality?
By Robert Sungenis
The claim under examination is the one most people are now taught: that homosexuality is no sin at all, only a matter of genetics.
Shockwave 2000!
By Robert Sungenis · 1995
Harold Camping told his radio audience the world would end in September 1994.
Scripture Through the Eyes of Children
By Robert Sungenis · 2016
Dozens of photographs of children from around the world, each caught living in its own culture and nation, each paired with a passage of Scripture…
The Philosophical Meaning of Great Works of Art
By Robert Sungenis · 2016
Great paintings make arguments, and most of us walk past without hearing them.
Bob's Dictionary of Big Words
By Robert Sungenis
A dictionary built by subtraction. About 6,000 words in fewer than 300 pages, kept because they are worth adding to your own speech and writing:…
Science and Creation
Geocentrism, Galileo, and the days of creation.
Galileo Was Wrong (4)
The full case in three volumes, and the abridgement.
Galileo Was Wrong: The Church Was Right, Volume 1
By Robert Sungenis · 2017
First of the three volumes, and the one that opens the scientific case.
Galileo Was Wrong: The Church Was Right, Volume 2
By Robert Sungenis · 2023
Second of the three volumes, picking up the science at chapter 7.
Galileo Was Wrong: The Church Was Right, Volume 3
By Robert Sungenis · 2023
Third of the three volumes, and the one that leaves the laboratory for the archive.
Galileo Was Wrong: The Church Was Right
By Robert Sungenis · 2010
Three questions open this one. Did the Catholic Church make a grand and embarrassing mistake when it condemned the heliocentric system under Pope…
Geocentrism, the short course (7)
Where to start before the three volumes.
Geocentrism 101
By Robert Sungenis
The ninth edition of Geocentrism 101 is the short way into Robert Sungenis's case for a motionless Earth at the center of the universe.
Geocentrism 102
By Robert Sungenis · 2014
What actually happened when the Catholic Church confronted Galileo, and why does it still matter?
Geocentrism For Dumskies and Smart Kids
By Robert Sungenis · 2019
Written at roughly a fourth or fifth grade reading level, this volume sets out to show a child, and any adult willing to sit beside one, why the…
Sixty Ways to Refute a Catholic Heliocentrist
By Robert Sungenis
Can anyone actually prove that the Earth moves?
The Principle
By Robert Sungenis · 2014
A 50-page companion to the documentary The Principle, written and designed by Sungenis, who was also the film's executive producer, and published by…
Geocentrism 101 (Spanish edition)
By Robert Sungenis · 2017
Spanish readers get the argument in the same compressed form.
Geocentrism 101: Questions Answer Key
By Robert Sungenis
The companion answer key to the study questions in Geocentrism 101, sold on its own as a PDF or as a printed copy.
Replies to critics (4)
A Critical Analysis of Karl Keating and His Book The New Geocentrists
By Robert Sungenis · 2015
Karl Keating, founder of Catholic Answers, wrote The New Geocentrists against the modern geocentrists and against Robert Sungenis in particular.
Scientific Heresies and Their Effect on the Church
By Robert Sungenis · 2018
Fr. Paul Robinson, a priest of the Society of St. Pius X, published The Realist Guide to Religion and Science in 2018 to reconcile Catholic faith…
Critique of Maurice Finocchiaro's "Retrying Galileo" and the So-Called "Galileo Myth"
By Robert Sungenis · 2019
Did the Catholic Church ever condemn heliocentrism as a heresy?
Flat Earth Flat Wrong
By Robert Sungenis · 2020
A geocentrist arguing that the Earth is a globe is not the pairing most people expect, and it is the reason this book exists.
Creation and cosmology (4)
The First Four Days of Creation
By Robert Sungenis · 2026
Genesis 1 is treated here as a factual, chronological account and read hour by hour, with the Big Bang set aside.
Dates for the Creation of Adam and the Birth of Christ
By Robert Sungenis · 2020
More than two hundred attempts have been made to date the creation of Adam, and by 1830 Rev.
A Googolplex of Tiny Blackholes
By Robert Sungenis · 2016
No one has yet said what gravity actually is.
The Geocentric Universe
By Robert Sungenis · 2014
Hildegard von Bingen (1098 to 1179), Benedictine abbess, canonized on May 10, 2012 and named a Doctor of the Church on October 7, 2012, recorded…
The novel (1)
The same argument, told as a campus story.
Church and Papacy
Fatima, the consecration of Russia, and Vatican II.
Fatima and the Council (3)
Fatima Fulfilled But Still Foreboding
By Robert Sungenis · 2021
For years Sungenis belonged to the Fatima movement, and in 2013 he co-wrote a book with John Salza on the premise that no pope had ever carried out…
The Consecration of Russia
By Robert Sungenis · 2013
In 1929 Our Lady of Fatima asked the Pope to consecrate Russia to her Immaculate Heart in union with all the bishops of the world, for the conversion…
Was God Behind the Ambiguities of Vatican II?
By Robert Sungenis
Catholics who agree on almost nothing else about Vatican Council II agree on one point: in places its wording is genuinely ambiguous.
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