Thousand Worlds Series in Order by Yoon Ha Lee

"Tiger Honor" is the second book in the "Thousand Worlds" series by Yoon Ha Lee, published through the Rick Riordan Presents imprint. The book follows Sebin, a nonbinary tiger spirit who wants to join the Thousand World Space Forces. Sebin must decide where their loyalties lie when their traitorous uncle hijacks the battle cruiser that happens to be Sebin's first posting. The book is a space opera inspired by Korean mythology and is narrated by Sebin. The story is set in a universe where humans and various supernatural creatures coexist. The book is categorized as a children's middle-grade action and adventure book.

"Dragon Pearl" is the first book in the Thousand Worlds series written by Yoon Ha Lee. It is a middle-grade science fiction novel published on January 15, 2019, under the "Rick Riordan Presents" publishing imprint. The book follows the story of Min, a 13-year-old girl who embarks on a quest to find her older brother, Jun, after he is accused of deserting the Space Forces. Set in a mix of Korean mythology and science fiction, Min travels through the galaxy, encountering gamblers, pirates, and vengeful ghosts. The plot involves deception, an epic journey, and the exploration of magic powers, space flight, and interstellar travel. Min's goal is to clear her brother's name and find the Dragon Pearl, a mystical object rumored to possess tremendous power. "Dragon Pearl" is praised for its likable and fun main character and the blend of mythology and science fiction.