Today's free book is The phantom world: or, The philosophy of spirits, apparitions, etc. by Augustin Calmet (1850), based on Calmet's original publication in 1746. For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
Volume 1
I. The Appearance of Good Angels proved by the Books of the Old Testament
II. The Appearance of Good Angels proved by the Books of the New Testament
III. Under what form have Good Angels appeared 
IV. Opinions of the Jews, Christians, Mahometans, and Oriental Nations, concerning the Apparitions of Good Angels
V. Opinion of the Greeks and Romans on the Apparitions of Good Genii
VI. The Apparition of Bad Angels proved by the Holy Scriptures—Under what Form they have appeared
VII. Of Magic 
VIII. Objections to the Reality of Magic 
IX. Reply to the Objections 
X. Examination of the Affair of Hocque, Magician 
XI. Magic of the Egyptians and Chaldeans 
XII. Magic among the Greeks and Romans 
XIII. Examples which prove the Reality of Magic 
XIV. Effects of Magic according to the Poets 
XV. Of the Pagan Oracles 
XVI. The Certainty of the Event predicted, not always a proof that the prediction comes from God
XVII. Reasons which lead us to believe that the greater part of the Ancient Oracles were only Impositions of the Priests and Priestesses, who feigned that they were inspired by God
XVIII. Of Sorcerers and Sorceresses, or Witches
XIX. Instances of Sorcerers and Witches being, as they said, transported to the Sabbath
XX. Story of Louis Gaufredi and Magdalen de la Palud, owned by themselves to be a Sorcerer and Sorceress
XXI. Reasons which prove the Possibility of Sorcerers and Witches being transported to the Sabbath
XXII. Continuation of the same Subject 
XXIV. The Truth and Reality of Possession and Obsession by the Devil proved from Scripture 
XXV. Examples of Real Possessions caused by the Devil 
XXVI. Continuation of the same Subject 
XXVII. Objections against the Obsessions and Possessions of the Demon—Reply to the Objections
XXVIII. Continuation of Objections against Possessions, and some Replies to those Objections
XXIX. Of Familiar Spirits 
XXX. Some other Examples of Elves 
XXXI. Spirits that keep watch over Treasure 
XXXII. Other instances of Hidden Treasures, which were guarded by Good or Bad Spirits 
XXXIII. Spectres which appear, and predict things unknown and to come 
XXXIV. Other Apparitions of Spectres 
XXXV. Examination of the Apparition of a pretended Spectre 
XXXVI. Of Spectres which haunt Houses 
XXXVII. Other Instances of Spectres which haunt certain Houses
XXXVIII. Prodigious effects of Imagination in those Men or Women who believe they hold Intercourse with the Demon
XXXIX. Return and Apparitions of Souls after the Death of the Body, proved from Scripture
XL. Apparitions of Spirits proved from History
XLI. More Instances of Apparitions 
XLII. On the Apparitions of Spirits who imprint their Hands on Clothes or on Wood
XLIII. Opinions of the Jews, Greeks, and Latins, concerning the Dead who are left unburied
XLIV. Examination of what is required or revealed to the Living by the Dead who return to Earth
XLV. Apparitions of Men still alive, to other living Men, absent, and very distant from each other
XLVI. Arguments concerning Apparitions 
XLVII. Objections against Apparitions, and Replies to those Objections
XLVIII. Some other Objections and Replies 
XLIX. The Secrets of Physics and Chemistry taken for supernatural things
L. Conclusion of the Treatise on Apparitions 
LI. Way of explaining Apparitions 
LII. The difficulty of explaining the manner in which Apparitions make their appearance, whatever system may be proposed on the subject
Volume 2
I. That the Resurrection of a Dead Person is the Work of God only
II. Revival of Persons who were not really Dead 
III. Resurrection of a Man who had been buried Three Years, resuscitated by St. Stanislaus
IV. Can a Man really Dead appear in his own Body?
V. Revival or Apparition of a Girl who had been Dead some Months
VI. A Woman taken Alive from her Tomb 
VII. Revenans, or Vampires of Moravia 
VIII. Dead Men of Hungary who suck the Blood of the Living 
IX. Narrative of a Vampire from the Jewish Letters, Letter 137
X. Other Instances of Revenans. — Continuation of the "Gleaner"
XI. Argument of the Author of the Jewish Letters, concerning Revenans
XII. Continuation of the Argument of the Dutch Gleaner
XIII. Narrative from the "Mercure Gallant" of 1693 and 1694 on Revenans
XIV. Conjectures of the Dutch Gleaner 
XV. Another Letter on Revenans 
XVI. Pretended Vestiges of Vampirism in Antiquity
XVII. Ghosts in Northern Countries 
XVIII. Ghosts in England 
XIX. Ghosts in Peru 
XX. Ghosts in Lapland 
XXI. Return of a Man who had been Dead some Months
XXII. Excommunicated Persons who went out of Churches 
XXIII. Some Instances of the Excommunicated being rejected or cast out of Consecrated Ground
XXIV. Instance of an Excommunicated Martyr being cast out of the Ground
XXV. A Man cast out of the Church for having refused to pay Tithes
XXVI. Instances of Persons who have given Signs of Life after their Death, and have withdrawn themselves respectfully to make room for more worthy Persons
XXVII. People who perform Pilgrimage after Death
XXVIII. Reasoning upon the Excommunicated who go out of Churches
XXIX. Do the Excommunicated decay in the Earth?
XXX. Instances to show that the Excommunicated do not decay, and that they appear to the Living
XXXI. Instances of these Returns to Earth of the Excommunicated
XXXII. A Vroucolaca exhumed in the presence of M. de Tournefort
XXXIII. Has the Demon power to kill, and then to restore to Life?
XXXIV. Examination of the Opinion that the Demon can restore Animation to a Dead Body
XXXV. Instances of Phantoms which have appeared to the Living, and given many Signs of Life
XXXVI. Devoting People to Death, practised by the Heathens. 
XXXVII. Instances of dooming to Death among Christians
XXXVIII. Instances of Persons who have promised to give each other News of themselves from the other World
XXXIX. Extracts from the Political Works of the Abbe de St. Pierre
XL. Divers Systems to explain Ghosts 
XLI. Divers Instances of Persons being Buried Alive
XLII. Instances of Drowned Persons who have come back to Life and Health
XLIII. Instances of Women thought Dead who came to Life again
XLIV. Can these Instances be applied to the Hungarian Kevenans?
XLV. Dead People who masticate in their Graves and devour their own Flesh
XLVI. Singular Example of a Hungarian Revenant 
XLVII. Argument on this matter 
XLVIII. Are the Vampires or Revenans really Dead 1
XLIX. Instance of a Man named Curma being sent back to this World
L. Instances of Persons who fall into Ecstatic Trances when they will, and remain senseless
LI. Application of such Instances to Vampires
LII. Examination of the Opinion that the Demon fascinates the Eyes of those to whom Vampires appear
LIII. Instances of Resuscitated Persons who relate what they saw in the other World
LIV. The Traditions of the Pagans on the other Life, are derived from the Hebrews and Egyptians
LV. Instances of Christians being Resuscitated and sent back to this World.—Vision of Vetinus, a Monk of Augia
LVI. Vision of Bertholdus, related by Hincmar, Archbishop of Rheims
LVII. Vision of St. Fursius 
LVIII. Vision of a Protestant of York, and others
LIX. Conclusion of this Dissertation 
LX. Moral Impossibility that Ghosts can come out of their Tombs
LXI. That what is related of the Bodies of the Excommunicated who walk out of Churches, is subject to very great Difficulties
LXII. Remarks on the Dissertation, concerning the Spirit which appeared at St. Maur des Fosses
LXIII. Dissertation of an Anonymous Writer on the Appearance of Spirits at St. Maur, in 1706
Letter of the Marquis Maffei on Magic 
Letter of the Reverend Father Dom Calmet, to M. Debure

