Potential choices for @avatar_turner14 - if you've read any of them, let me know! I think each book I've picked completes all challenges for its respective element
Water Tribe
I Can Make This Promise by Christine Day
We Are The Water Protectors by Carole Lindstrom
This Town Sleeps by Dennis E. Staples
Too Much Lip by Melissa Lucashenko
I Can Make This Promise by Christine Day
We Are The Water Protectors by Carole Lindstrom
This Town Sleeps by Dennis E. Staples
Too Much Lip by Melissa Lucashenko
Earth Kingdom
King And The Dragonflies by Kacen Callendar
Brown Girl Dreaming by Jacqueline Woodson
Kindred by Octavia E. Butler
Everything Inside by Edwidge Danticat
King And The Dragonflies by Kacen Callendar
Brown Girl Dreaming by Jacqueline Woodson
Kindred by Octavia E. Butler
Everything Inside by Edwidge Danticat
Fire Nation
Incendiary by Zoraida Córdova
With The Fire On High by Elizabeth Acevedo
Things We Lost In The Fire by Mariana Enriquez
Jazz Owls by Margarita Engle
Incendiary by Zoraida Córdova
With The Fire On High by Elizabeth Acevedo
Things We Lost In The Fire by Mariana Enriquez
Jazz Owls by Margarita Engle
Air Nomads
Other Words For Home by Jasmine Warga
The White Book by Han Kang
Starling Days by Rowan Hisayo Buchanan
The Poppy War by R.F. Kuang
Other Words For Home by Jasmine Warga
The White Book by Han Kang
Starling Days by Rowan Hisayo Buchanan
The Poppy War by R.F. Kuang
The Avatar State
Akata Witch by Nnedi Okorafor
Winterglass by Benjanun Sriduangkaew
Serpentine by Cindy Pon
Heroine Complex by Sarah Kuhn
Akata Witch by Nnedi Okorafor
Winterglass by Benjanun Sriduangkaew
Serpentine by Cindy Pon
Heroine Complex by Sarah Kuhn
So there we go! Once again, I walk so you can all run

To be clear, you DON'T have to have a massive TBR and the hosts have said combining challenges is perfectly fine! That's why I made the thread (to give examples of books that fit combined challenges)