What was the most highly hunted book in 2006 on AbeBooks? The lion's share belonged to Dan Brown, but the top ten list as a whole features an intriguing mix of sex, lions and harps.

[More from the AbeBooks Year in Review]

1. Angels & Demons

Dan Brown
First Published in 2000

Embarking on a frantic hunt through sealed crypts, dangerous catacombs, deserted cathedrals, and even the most secretive vault on earth, Harvard symbologist Robert Langdon and a mysterious Italian scientist follow a 400-year-old trail of ancient symbols that snakes across Rome toward the long-forgotten Illuminati lair...a clandestine location that contains the only hope for Vatican salvation.

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2. The Da Vinci Code

Dan Brown
First Published in 2003

Harvard symbologist Robert Langdon is back, this time joining forces with a gifted French cryptologist to solve the murder of a curator inside the Louvre - igniting a breathless race through Paris, London, and beyond, where they must match wits with a faceless powerbroker who seems to anticipate their every move.

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3. To Kill a Mockingbird

Harper Lee
First Published in 1960

One of the best-loved stories of all time, To Kill a Mockingbird has earned many distinctions since its original publication in 1960. It won the Pulitzer Prize, has been translated into more than forty languages, sold more than thirty million copies worldwide, and been made into an enormously popular movie. Most recently, librarians across the country gave the book the highest of honors by voting it the best novel of the twentieth century.

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4. The Great Gatsby

F. Scott Fitzgerald
First Published in 1925

Many consider The Great Gatsby the closest thing to the Great American Novel ever written. It is the timeless story of Jay Gatsby and his love for Daisy Buchanan. Gatsby lives in the New York suburb of West Egg, where those with "new money" reside. Gatsby's mansion is right across the bay from the home of his wartime love, Daisy Buchanan, pictured always in white.

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5. Harry Potter and the Half-Blood Prince

J.K. Rowling
First Published in 2005

In the sixth Harry Potter book, the war against Voldemort is not going well; even Muggle governments are noticing. Ron scans the obituary pages of the Daily Prophet, looking for familiar names. Dumbledore is absent from Hogwarts for long stretches of time, and the Order of the Phoenix has already suffered losses. And yet...life goes on.

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6. Catcher in the Rye

J.D. Salinger
First Published in 1951

Despite its continued controversy, or perhaps because of it, The Catcher in the Rye is one of the most cherished books of all-time. To this day, the novel remains the coming-of-age story against which all others are judged. The story of Holden Caulfield is regarded as one of America's literary treasures.

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7. Sex

First Published in 1992

Now long out-of-print, Sex is highly sought after by collectors. The notorious coffee table book featured photographs of Madonna (and others) in depictions of sexual acts, and her own writing throughout.

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8. A Lion in the Bedroom

Pat Cavendish O'Neill
First Published in 2004

Pat Cavendish O'Neill - of the Lindeman wine family - tells the story of her charmed life among the glittering names of the twentieth century - Woolworth heiress Barbara Hutton, the Duke and Duchess of Windsor, Gianni Agnelli, Princess Grace and the Hollywood crowd...and the day everything changed for her, when a lover in Africa presented her with a tiny lion cub.

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9. Freakonomics

Steven Levitt
First Published in 2005

Levitt dubs the material in this work "freakonomics" because Levitt uses analytical tools from economics to address a range of questions that, at first glance, might seem to be far removed from the discipline of the "dismal science."

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10. The Irish and the Highland Harps

Robert Bruce Armstrong
First Published in 1904

The book is of interest to harp makers and those interested in Celtic design. The Irish Harp documents the history of the harp in Ireland and contains detailed descriptions of old harps, notably the Trinity College Harp. It also features sixteen pages of music for the Irish harp taken mainly from the Bunting Collection.

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