This Is Your Mind on Plants by Michael PollanThe Dictionary of Lost Words by Pip WilliamsOpium and Absinthe by Lydia Kang
Poppies
126 books — 29 voters
The Ten Thousand Doors of January by Alix E. HarrowIt All Comes Back to You by Beth DukeEvery Thing You Are by Kerry Anne KingFruit of the Drunken Tree by Ingrid Rojas ContrerasThe Far Field by Madhuri Vijay
Floral covers
128 books — 20 voters

Lovely War by Julie BerrySeverance by Ling  MaThe Grace Year by Kim LiggettSomeone Who Will Love You in All Your Damaged Glory by Raphael Bob-WaksbergWhen We Believed in Mermaids by Barbara O'Neal
In the Pink
1,813 books — 488 voters

This Is How It Always Is by Laurie FrankelThe Tea Girl of Hummingbird Lane by Lisa SeeThe Alchemist by Paulo CoelhoQueenie by Candice Carty-WilliamsA Light That Never Goes Out by Tony Fletcher
Most Orange Books of All Time
1,204 books — 328 voters

The Wicked Girls by Alex MarwoodGirl Last Seen by Nina LaurinThe Life We Bury by Allen EskensIn a Dark, Dark Wood by Ruth WareThe Night Olivia Fell by Christina  McDonald
Dead Trees
101 books — 13 voters
Recursion by Blake CrouchThe Food Explorer by Daniel         StoneThe Murmur of Bees by Sofía SegoviaTrick Mirror by Jia Tolentino
Yellowest Books Ever
1,813 books — 582 voters

Oona Out of Order by Margarita MontimoreLily and the Octopus by Steven  RowleyBe Frank With Me by Julia Claiborne JohnsonOther People's Houses by Abbi WaxmanWhere'd You Go, Bernadette by Maria Semple
Robin Egg Blue
180 books — 22 voters

Lilac Girls by Martha Hall KellyCode Name Verity by Elizabeth WeinThe Book Thief by Markus ZusakAll the Light We Cannot See by Anthony DoerrThe Paris Secret by Natasha Lester
WWII Historic Fiction
1,461 books — 1,540 voters