Sales of “Sourdough” were bumped by news that author Robin Sloan will be at Readers’ Books at 5:30 p.m. on Friday, Oct. 19.

Hardcover fiction

1. “Warlight” by Michael Ondaajte

From the Booker Prize-winning author of “The English Patient,” in 1945 London, teenage brother and sister are left by their parents in the care of a mysterious guardian.

2. “The President is Missing” by Bill Clinton and James Patterson

POTUS #42 partners with the bestselling author in a mystery/thriller featuring the disappearance of a sitting U.S. President.

3. “Transcription” by Kate Atkinson

From the bestselling author of “Life After Life,” in 1940 England, a young woman is recruited into British Intelligence service and decades later, becomes a radio program producer for the BBC.

4. “Washington Black” by Esi Edugyan

In 1830s Barbados, an 11-year-old field slave is befriended by the plantation owner’s offbeat brother and with him, embarks on an escape to the Arctic.

5. “The Winter Soldier” by Daniel Mason

A young medical student enlists in the Austrian army and in the battlefields of WWI, learns about life, love and the practice of medicine.

Paperback fiction

1. “Less” by Andrew Sean Greer

Recent Pulitzer Prize-winner, tells the story of a struggling novelist who travels the world in order to avoid his former partner’s upcoming wedding.

2. “Crazy Rich Asians” by Kevin Kwan

A Chinese-born American woman agrees to spend the summer in Singapore with her boyfriend, unaware of his family’s incredible wealth. Now a major motion picture.

3. “Eleanor Oliphant is Completely Fine” by Gail Honeyman

The story of a quirky loner – part comic novel, part emotional thriller and part love story, in this funny and deadpan debut novel.

4. “Sourdough: Or, Lois and Her Adventures in the Underground Market” by Robin Sloan

San Francisco’s technology and food cultures collide in this witty send up of both worlds.

5. “The Ninth Hour” by Alice McDermott

In early 1900s Brooklyn, a young Irish immigrant takes his life, leaving behind a pregnant wife, who is befriended by Catholic nuns.