The book, written by Kayla Olson, has not yet been published, but attracted DiCaprio because of its environmental themes, The Hollywoood Reporter said.
Set in 2049, the book chronicles Earth at a breaking point due toclimate change, coastal flooding and overpopulation. As humanity struggles to survive, a radical faction known as the Wolfpack overthrows the government and takes control.
“The story centers on a young woman named Eden who escapes a Wolfpack labor camp, joining three others fleeing to an island,” Varietyexplained. “During her journey, she will find clues as to what happened to her missing father and find out that she is the key to bringing down the Wolfpack.”