Here are some possibilities:
Books with similar themes:
* "The Overstory" by Richard Powers: This Pulitzer Prize-winning novel intertwines the lives of nine people whose destinies are unexpectedly connected to trees. It explores the intricate relationship between humans and the natural world, and the potential for both destruction and redemption.
* "The House in the Cerulean Sea" by T.J. Klune: This heartwarming story features a social worker who investigates an orphanage for magical children, including one who can turn into trees. While not the central theme, it explores the beauty and power of nature, as well as the importance of acceptance and understanding.
* "The Sparrow" by Mary Doria Russell: While not about turning into trees, this novel explores the complexities of human nature and the search for meaning in a vast universe. The story follows a group of Jesuit missionaries who travel to a distant planet and encounter a civilization that is both alien and deeply connected to their own world.
* "The Fifth Season" by N.K. Jemisin: This fantasy novel features a world where tectonic plates shift violently, causing devastation and forcing people to adapt to a harsh environment. It explores themes of survival, resilience, and the interconnectedness of all living things.
Books with a more literal interpretation of death and transformation:
* "The Trees" by Percival Everett: While not directly about people turning into trees, this novel explores the legacy of slavery and its impact on generations. It also delves into themes of identity, memory, and the power of storytelling. The book's title might be interpreted symbolically, connecting to the idea of being rooted in one's past and experiencing growth over time.
I hope this list gives you some exciting possibilities to explore! It might be interesting to consider writing a book yourself that explores this unique concept of turning into trees after death. You could explore what this means for the individual, society, and the environment.