Start with high-confidence asian history books, then narrow by subgenre or adjacent topics.
Red Scarf Girl
Ji-li Jiang
Sadako and the Thousand Paper Cranes (puffin Modern Classics)
Eleanor Coerr
A Tale of Love and Darkness
Amos Oz, Nicholas de Lange
Revolution Is Not a Dinner Party
Ying Chang Compestine
Forbidden City
William Bell
China's Son
Da Chen
How Asia Works
Joe Studwell
Girl Under a Red Moon: Growing Up During China's Cultural Revolution (scholastic Focus)
Samurai Rising
Pamela S. Turner
The Darker Nations
Vijay Prashad
Boxers
Gene Luen Yang, Lark Pien
The Boy From Clearwater: Book 2
Pei-Yun Yu
Rebel Island
Jonathan Clements
The Complete Story of Sadako Sasaki
Masahiro Sasaki, Sue DiCicco
World War Two: Against the Rising Sun
Jason Quinn