April Bestsellers
Hardcovers
1) Tough Mothers by Jason Porath
2) Noir by Christopher Moore
3) Head On by John Scalzi
4) Rejected Princesses by Jason Porath
5) Autonomous by Annalee Newitz
6) The Power by Naomi Alderman
7) Space Opera by Catherynne M. Valente
8) Children of Blood and Bone by Tomi Adeyemi
9) In Calabria by Peter S. Beagle
10) Only Human by Sylvain Neuvel

Trade Paperbacks
1) The Three-Body Problem by Cixin Liu, trans. by Ken Liu
2) Norse Mythology by Neil Gaiman
3) Annihilation by Jeff Vandermeer
4) The Fifth Season by N.K. Jemisin
5) All the Birds in the Sky by Charlie Jane Anders
6) Too Like the Lightning by Ada Palmer
7) The Last Unicorn by Peter S. Beagle
8) Overneath by Peter S. Beagle
9) Robots vs. Fairies edited by Dominik Parisien and Navah Wolfe
10) Best Science Fiction and Fantasy of the Year, Volume 12 edited by Jonathan Strahan

Mass Market Paperbacks
1) The Left Hand of Darkness by Ursula K. LeGuin
2) Name of the Wind by Patrick Rothfuss
3) Who Fears Death? by Nnedi Okorafor
4) Heroine Complex by Sarah Kuhn
5) Vanguard by Jack Campbell
6) Tricks for Free by Seanan McGuire
7) Old Man's War by John Scalzi
8) Ready Player One by Ernest Cline
9) The Wrong Stars by Tim Pratt
10) Besieged by Kevin Hearne
March Bestsellers
Hardcovers

1) The Power by Naomi Alderman
2) If Tomorrow Comes by Nancy Kress
3) Beneath the Sugar Sky by Seanan McGuire
4) The Will to Battle by Ada Palmer
5) Autonomous by Annalee Newitz
6) Burn Bright by Patricia Briggs
7) Certain Dark Things by Silvia Moreno-Garcia
8) Children of Blood and Bone by Tomi Adeyemi
9) The Book of Dust by Philip Pullman
10) Impostor Syndrome by Mishell Baker

Trade Paperbacks

1) The Song of All by Tina LeCount Myers
2) The Three-Body Problem by Liu Cixin, trans. by Ken Liu
3) Fifth Season by N.K. Jemisin
4) Too Like the Lightning by Ada Palmer
5) All the Birds in the Sky by Charlie Jane Anders
6) Annihilation by Jeff Vandermeer
7) Strange Bird by Jeff Vandermeer
8) New York 2140 by Kim Stanley Robinson
9) Robots vs. Fairies edited by Dominik Parisien and Navah Wolfe
10) The Atheist in the Attic by Samuel R. Delany

Mass Market Paperbacks

1) Tricks for Free by Seanan McGuire
2) Ready Player One by Ernest Cline
3) The Left Hand of Darkness by Ursula K. LeGuin
4) Who Fears Death? by Nnedi Okorafor
5) Changing Planes by Ursula K. LeGuin
6) The Wrong Stars by Tim Pratt
7) Old Man's War by John Scalzi
8) Arcanum Unbounded by Brandon Sanderson
9) Red Sister by Mark Lawerence
10) The Name of the Wind by Patrick Rothfuss
February Bestsellers
Hardcovers
1. The Power by Naomi Alderman
2. Tempests and Slaughter by Tamora Pierce
3. The Will to Battle by Ada Palmer
4. Provenance by Ann Leckie
5. Autonomous by Annalee Newitz
6. Beneath the Sugar Sky by Seanan McGuire
7. Artemis by Andy Weir
8. Black Wolves of Boston by Wen Spencer
9.  Dark State by Charles Stross
10.  Down Among the Sticks and Bones by Seanan McGuire

Trade Paperbacks
1. The Three-Body Problem by Cixin Liu, edited by Ken Liu
2. The Fifth Season by N.K. Jemisin
3. Annihilation by Jeff VanderMeer
4. Binti: The Night Masquerade by Nnedi Okorafor
5. Robots vs. Fairies edited by Dominik Parisien and Navah Wolfe
6. Too Like the Lightning by Ada Palmer
7. Woman on the Edge of Time by Marge Piercy
8. Universal Harvester by John Darnielle
9. All the Birds in the Sky by Charlie Jane Anders
10. Amberlough by Lara Ellen Donnelly

Mass Market Paperbacks
1. Ready Player One by Ernest Cline
2. Who Fears Death? by Nnedi Okorafor
3. The Collapsing Empire by John Scalzi
4. Changing Planes by Ursula K. LeGuin
5. Left Hand of Darkness by Ursula K. LeGuin
6. The Name of the Wind by Patrick Rotthfuss
7. His Majesty's Dragon by Naomi Novik
8. Old Man's War by John Scalzi
9. The Hundred Thousand Kingdoms by N.K. Jemisin
10. The Wrong Stars by Tim Pratt