June Bestsellers
Hardcovers
1) Starless by Jacqueline Carey
2) Brief Cases by Jim Butcher
3) Head On by John Scalzi
4) Noir by Christopher Moore
5) Artificial Condtion by Martha Wells
6) Children of Blood and Bone by Tomi Adeyemi
7) The Oracle Year by Charles Soule
8) Autonomous by Annalee Newitz
9) Clockwork Dynasty by Daniel H. Wilson
10) Summerland by Hannu Rajaniemi

Trade Paperbacks
1) Three-Body Problem by Cixin Liu, trans by Ken Liu
2) How to Marry a Werewolf by Gail Carriger
3) Norse Mythology by Neil Gaiman
4) Revenant Gun by Yoon Ha Lee
5) The Fifth Season by N.K. Jemisin
6) Freeze-Frame Revolution by Peter Watts
7) All the Birds in the Sky by Charlie Jane Anders
8) The Last Unicorn by Peter S. Beagle
9) Into the Drowning Deep by Mira Grant
10) Walkaway by Cory Doctorow

Mass Market Paperbacks
1) Left Hand of Darkness by Ursula K LeGuin
2) Old Man's War by John Scalzi
3) Who Fears Death? by Nnedi Okorafor
4) Way of Kings by Brandon Sanderson
5) American Gods by Neil Gaiman
6) Sea Peoples by S.M. Stirling
7) Name of the Wind by Patrick Rothfuss
8) God Save the Queen by Kate Locke
9) Kushiel's Dart by Jacqueline Carey
10) Lock In by John Scalzi
May Bestsellers
Hardcovers
1) Noir by Christopher Moore2) Tempests and Slaughter by Tamora Pierce3) Autonomous by Annalee Newitz4) Artificial Condition by Martha Wells5) Tortall: A Spy's Guide by Tamora Pierce6) Head On by John Scalzi7) The Soldier by Neal Asher8) Space Opera by Cat Valente9) Children of Blood and Bone by Tomi Adeyemi10) In Calabria by Peter S. Beagle
Trade Paperbacks1) Three-Body Problem by Cixin Liu, trans by Ken Liu2) How to Marry a Werewolf by Gail Carriger3) The Fifth Season by N.K. Jemisin4) The Last Unicorn by Peter S. Beagle5) Norse Mythology by Neil Gaiman6) Annihilation by Jeff Vandermeer7) The Stone Sky by N.K. Jemisin8) Rise and Fall of D.O.D.O by Nicole Galland and Neal Stephenson9) All the Birds in the Sky by Charlie Jane Anders10) Robots vs. Fairies edited by Dominik Parisien and Navah Wolfe
Mass Market Paperbacks1) Who Fears Death? by Nnedi Okorafor2) Name of the Wind by Patrick Rothfuss3) Left Hand of Darkness by Ursula K LeGuin4) American Gods by Neil Gaiman5) Ready Player One by Ernest Cline6) Lock In by John Scalzi7) Heroine Complex by Sarah Kuhn8) Tiassa by Steven Brust9) Red Sister by Mark Lawrence10) Arcanum Unbounded by Brandon Sanderson

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