“Try always,” says the worldly Cardinal Wolsey in “Wolf Hall,” Hilary Mantel’s fictional portrait of Henry VIII’s turbulent court, “to find out what people wear under their clothes.” Katherine of Aragon, the queen who can’t produce an heir, wears a nun’s habit. Anne Boleyn, the tease eager to supplant her, won’t let the king know what she’s wearing until their wedding night; she says “yes, yes, yes” to him, “then she says no.” Thomas More, willing to go to any lengths to prevent the marriage, wears a shirt of bristling horsehair, which mortifies his flesh until the sores weep. As for Thomas Cromwell, the fixer who does the king’s dirty work just as he once did the cardinal’s, what is he hiding under his lawyer’s sober winter robes? Something “impermeable,” Hans Holbein suspects as he paints Cromwell’s forbidding portrait. Armor, maybe, or stone.

Cromwell is the picaresque hero of the novel — tolerant, passionate, intellectually inquisitive, humane. We follow his winding quest in vivid present-tense flashbacks, drawn up from his own prodigious memory: how he left home before he was 15, escaping the boot of his abusive father, a brewer and blacksmith who beat him as if he were “a sheet of metal”; how he dreamed of becoming a soldier and went to France because “France is where they have wars.” Cromwell learns banking in Florence, trading in Antwerp. He marries, has children and watches helplessly as the plague decimates his family.

In short, Cromwell learns everything everywhere, at a time when European knowledge about heaven and earth, via Copernicus and Machiavelli, is exploding. At 40, he “can draft a contract, train a falcon, draw a map, stop a street fight, furnish a house and fix a jury.” He knows the entire New Testament by heart, having mastered the Italian “art of memory” (part of the inner world of Renaissance magic that Mantel drew on in her comic novel “Fludd”), in which long lines of speech are fixed in the mind with vivid images.

Cromwell is also, as Mantel sees him, a closet Protestant, monitoring Luther’s battles with Rome and exchanging secret letters with Tyndale, the English translator of the Bible, about the “brutal truth” of the Scriptures. “Why does the pope have to be in Rome?” Cromwell wonders. “Where is it written?” Historians have long suspected that Cromwell harbored Protestant sympathies, even before Anne Boleyn’s “resistant, quick-breathing and virginal bosom” caught the king’s eye. Mantel, with the novelist’s license, draws the circle more tightly. As a child, Cromwell is present when an old woman is burned at the stake for heresy: “Even after there was nothing left to scream, the fire was stoked.” Years later, he watches in disgust as Thomas More rounds up more heretics to feed to the fire. For Mantel, who acknowledges her debt to revisionist scholars, Henry’s divorce is the impetus for Cromwell’s “Tudor Revolution,” as the historian Geoffrey Elton called it, by which the British state won independence from foreign and ecclesiastic rule.

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Wolf Hall is the first of three volumes in which Hilary Mantel focuses on the court of King Henry VIII (1491-1547) and his chief minister, Thomas Cromwell (1485-1540). I also highly recommend the other two volumes in the trilogy, Bring Up the Bodies and The Mirror and the Light.

Here is a direct link to the complete review.

Christopher Benfey is Mellon Professor of English at Mount Holyoke College. A frequent contributor to The New York Times Book Review and The New York Review of Books, he has held fellowships from the Guggenheim Foundation, the National Endowment for the Humanities, and the American Council of Learned Societies. Benfey has written four books about the American Gilded Age, including A SUMMER OF HUMMINGBIRDS, which won the Christian Gauss Award of Phi Beta Kappa. He lives in Amherst, Massachusetts.