March Bestsellers
Hardcovers
1. Tiamat's Wrath by James S.A. Corey
2. The Raven Tower by Ann Leckie
3. The City in the Middle of the Night by Charlie Jane Anders
4.  In an Absent Dream by Seanan McGuire
5. Black Leopard, Red Wolf by Marlon James
6. How Long 'Til Black Future Month? by N.K. Jemisin
7. Binti: The Complete Trilogy by Nnedi Okorafor
8. Dragon Pearl by Yoon Ha Lee
9. The Priory of the Orange Tree by Samantha Shannon
10. A Memory Called Empire by Arkady Martine

Trade Paperbacks
1. The Fifth Season by N.K. Jemisin
2. A People's Future of the United States edited by Victor LaValle and John Joseph Adams
3. The Three-Body Problem by Liu Cixin, translated by Ken Liu
4. The Power by Naomi Alderman
5. New Suns: Original Speculative Fiction by People of Color edited by Nisi Shawl
6. Autonomous by Annalee Newitz
7. All Systems Red by Martha Wells
8. The Freeze-Frame Revolution by Peter Watts
9. Obelisk Gate by N.K. Jemisin
10. All the Birds in the Sky by Charlie Jane Anders

Mass Market Paperbacks
1. That Ain't Witchcraft by Seanan McGuire
2. Dune by Frank Herbert
3. The Left Hand of Darkness by Ursula K. Le Guin
4. Red Mars by Kim Stanley Robinson
5. Good Omens by Neil Gaiman and Terry Pratchett
6. Name of the Wind by Patrick Rothfuss
7. American Gods by Neil Gaiman
8. Mistborn by Brandon Sanderson
9. Old Man's War by John Scalzi
10. Way of Kings by Brandon Sanderson
February Bestsellers
Hardcovers
1. The City in the Middle of the Night by Charlie Jane Anders
2. Black Leopard, Red Wolf by Marlon James
3. The Raven Tower by Ann Leckie
4. How Long 'Til Black Future Month? by N.K. Jemisin
5. In an Absent Dream by Seanan McGuire
6. Dragon Pearl by Yoon Ha Lee
7. Kingdom of Copper by S.A. Chakraborty
8. Kingdom of Needle and Bone by Mira Grant
9. Binti: The Complete Trilogy by Nnedi Okorafor
10. Early Riser by Jasper Fforde

Trade Paperbacks
1. The Power by Naomi Alderman
2. The Fifth Season by N. K. Jemisin
3. The Stone Sky by N.K. Jemisin
4. Autonomous by Annalee Newitz
5. The Three-Body Problem by Liu Cixin, trans. by Ken Liu
6. The Obelisk Gate by N.K. Jemisin
7. Freeze-Frame Revolution by Peter Watts
8. All Systems Red by Martha Wells
9. All the Birds in the Sky by Charlie Jane Anders
10. A People's Future of the United States ed. by Victor LaValle and John Joseph Adams

Mass Market Paperbacks
1. Left Hand of Darkness by Ursula K. LeGuin
2. Dune by Frank Herbert
3. Name of the Wind by Patrick Rothfuss
4. Who Fears Death? by Nnedi Okorafor
5. Red Mars by Kim Stanley Robinson
6. Good Omens by Neil Gaiman and Terry Pratchett
7. American Gods by Neil Gaiman
8. The Long Sunset by Jack McDevitt
9. Burn Bright by Patricia Briggs
10. Collapsing Empire by John Scalzi
January Bestsellers
Hardcovers
1. In an Absent Dream by Seanan McGuire
2. How Long 'Til Black Future Month? by N.K. Jemisin
3. Dragon Pearl by Yoon Ha Lee
4. Kingdom of Copper by S.A. Chakraborty
5. Fire and Blood by George R.R. Martin
6. Rejoice, A Knife to the Heart by Steven Erickson
7. Red Moon by Kim Stanley Robinson
8. Though Fiery Trials by David Weber
9. Rogue Protocol by Martha Wells
10. Thin Air by Richard Morgan

Trade Paperbacks
1. The Fifth Season by N. K. Jemisin
2. The Three-Body Problem by Liu Cixin, trans. by Ken Liu
3. The Power by Naomi Alderman
4. Calculating Stars by Mary Robinette Kowal
5. Autonomous by Annalee Newitz
6. Obelisk Gate by N.K. Jemisin
7. Freeze-Frame Revolution by Peter Watts
8. All the Birds in the Sky by Charlie Jane Anders
9. Hannah Green and Her Unfeasibly Mundane Existence by Michael Marshall Smith
10. The Stone Sky by N.K. Jemisin

Mass Market Paperbacks
1. Red Mars by Kim Stanley Robinson
2. Left Hand of Darkness by Ursula K. LeGuin
3. The Dispossessed by Ursula K. LeGuin
4. Name of the Wind by Patrick Rothfuss
5. Who Fears Death? by Nnedi Okorafor
6. Wise Man's Fear by Patrick Rothfuss
7. Good Omens by Neil Gaiman and Terry Pratchett
8. Old Man's War by John Scalzi
9. Collapsing Empire by John Scalzi
10. The Brightest Fell by Seanan McGuire