December is almost always a positive month for book auctions. The best material often comes out in the fourth quarter and it’s bound to achieve high prices even if the outcomes are less than some consignors hope. The median price increased $20 from the October low of $342 but was still well below the $378 median a year earlier. As the 12 Month Moving Average of Median Auction Prices chart shows auction realizations are still caught in the downward trend that dates from February 2008.
The change in Year to Year Change in 12 Month Moving Average however also suggests that the downward trend is leveling out as the difference in year to year comparisons by month is moving back to zero. Before the chart can go positive it has to first escape negative year-to-year comparisons. This aspect looks better although these year-to-year comparisons are getting easier because last year was a weak year. This year’s comparison is still negative but approaching “net no change.”
The sell-through rate remains mired at 68%, an unhealthy level that’s about 7% below the average of the past ten years. This suggests that reserves and buyer willingness to bid are probably about 10% apart. Said another way the minimum prices buyers are willing to pay are, on average, about 10% below current low estimates. Consignors would do well to listen carefully to their auction houses if they suggest lower reserves. Sending something into the rooms means the consignor wants to sell. Not selling in 2011 and trying again next year doesn’t appear, based on the trends, to be a moneymaking strategy. Too much material is in the wings. The selling venues are going to get crowded.
Heritage, Dec. 15: Jerry Thomas. How to Mix Drinks, or the Bon-Vivant's Companion, Containing Clear and Reliable Directions for Mixing All the Beverages Used in the United States…
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Bonhams, Dec. 8-18: Autograph Letter Signed ("Martinus Luther") to His Friend the Theologian Gerhard Wiskamp ("Gerardo Xantho Lampadario"). $100,000 - $150,000.
Bonhams, Dec. 8-18: An Exceptionally Fine Copy of Austenís Emma: A Novel in Three Volumes. $40,000 - $60,000.
Bonhams, Dec. 8-18: Presentation Copy of Ernest Hemmingwayís A Farewell to Arms for Edward Titus of the Black Mankin Press. $30,000 - $50,000.
Bonhams, Dec. 8-18: Autograph Manuscript Signed Integrally for "The Songs of Pooh," by Alan Alexander. $30,000 - $50,000.
Bonhams, Dec. 8-18: Autograph Manuscript of "Three Fragments from Gˆtterd‰mmerung" by Richard Wagner. $30,000 - $50,000.
Bonhams, Dec. 8-18: Original Preliminary Artwork, for the First Edition of Snow Crash. $20,000 - $30,000.
Bonhams, Dec. 8-18: Autograph Letter Signed ("T.R. Malthus") to Economist Nassau Senior on Wealth, Labor and Adam Smith. $20,000 - $30,000.
Bonhams, Dec. 8-18: History of the Peloponnesian War by Thucydides Finely Bound by Michael Wilcox. $20,000 - $30,000.
Bonhams, Dec. 8-18: First Edition of Lewis and Clark: Travels to the Source of the Missouri River and Across the American Continent to the Pacific Ocean. $8,000 - $12,000.
Bonhams, Dec. 8-18: Original Artwork for the First Edition of Neal Stephenson's Groundbreaking Novel Snow Crash. $100,000 - $150,000.
Bonhams, Dec. 8-18: A Complete Set Signed Deluxe Editions of King's The Dark Tower Series by Stephen King. $8,000 - $12,000.
Bonhams, Dec. 8-18: Autograph Letter Signed ("John Adams") to James Le Ray de Chaumont During the Crucial Years of the Revolutionary War. $8,000 - $12,000.
Sotheby’s Book Week December 9-17, 2025
Sotheby’s, Dec. 17: Francesco Colonna. Hypnerotomachie, Paris, 1546, Parisian calf by Wotton Binder C for Marcus Fugger. €200,000 to €300,000.
Sotheby’s, Dec. 17: Nausea. De principiis dialectices Gorgias, and other works, Venice, 1523, morocco gilt for Cardinal Campeggio. €3,000 to €4,000.
Sotheby’s, Dec. 17: Billon. Le fort inexpugnable de l'honneur, Paris, 1555, Parisian calf gilt for Peter Ernst, Graf von Mansfeld. €120,000 to €180,000.
Sotheby’s Book Week December 9-17, 2025
Sotheby’s, Dec. 16: Salinger, J.D. The Graham Family archive, including autographed letters, an inscribed Catcher, a rare studio photograph of the author, and more. $120,000 to $180,000.
Sotheby’s, Dec. 16: [Austen, Jane]. A handsome first edition of Sense and Sensibility, the author's first novel. $60,000 to $80,000.
Sotheby’s, Dec. 16: Massachusetts General Court. A powerful precursor to the Declaration of Independence: "every Act of Government … without the Consent of the People, is … Tyranny." $40,000 to $60,000.
![<b>Heritage, Dec. 15:</b> John Donne. <i>Poems, By J. D. With Elegies on the Author's Death.</i> London: M[iles]. F[lesher]. for John Marriot, 1633.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/8caddaea-4c1f-47a7-9455-62f53af36e3f.jpg "<b>Heritage, Dec. 15:</b> John Donne. <i>Poems, By J. D. With Elegies on the Author's Death.</i> London: M[iles]. F[lesher]. for John Marriot, 1633.")
![<b>Sotheby’s, Dec. 16:</b> [Austen, Jane]. A handsome first edition of <i>Sense and Sensibility,</i> the author's first novel. $60,000 to $80,000.](https://ae-files.s3.amazonaws.com/AdvertisementPhotos/9a74d9ff-42dd-46a1-8bb2-b636c4cec796.png "<b>Sotheby’s, Dec. 16:</b> [Austen, Jane]. A handsome first edition of <i>Sense and Sensibility,</i> the author's first novel. $60,000 to $80,000.")
