FICTION
1. INFERNO, by Dan Brown. (Doubleday.) Symbologist Robert Langdon, on the run in Florence, must decipher a series of codes created by a Dante-loving scientist.
2. HIDDEN ORDER, by Brad Thor. (Emily Bestler/Atria.) As counterterrorism operative Scot Harvath searches for the murderer of candidates to head a powerful, mysterious agency, he uncovers a plot with roots in the 18th century.
3. AND THE MOUNTAINS ECHOED, by Khaled Hosseini. (Riverhead.) A multigenerational family saga centers on a brother and sister born in Afghanistan; from the author of "The Kite Runner."
4. THE OCEAN AT THE END OF THE LANE, by Neil Gaiman. (Morrow/HarperCollins.) A middle-aged man recalls his lonely boyhood and his friendship with a remarkable girl.
5. BOMBSHELL, by Catherine Coulter. (Putnam.) After FBI Special Agent Griffin Hammersmith accepts Dillon Savich's invitation to join him and Lacey Sherlock, Hammersmith's sister is savagely beaten.
6. SECOND HONEYMOON, by James Patterson and Howard Roughan. (Little, Brown.) As he investigates the murder of a pair of newlyweds, FBI agent John O'Hara, last seen in "Honeymoon" (2005), is targeted by a serial killer.
7. GONE GIRL, by Gillian Flynn. (Crown.) A woman disappears on her fifth anniversary; is her husband a killer?