Livro No Cio Syang Baixar
Need to add elements that tie the fever aspect into the book's effects. Maybe the book's power is tied to the seasons, causing a literal or metaphorical heat. The title is in Portuguese, so maybe setting the story in a Portuguese-speaking country, but that's not necessary. Focus on creating an atmospheric, mystical setting.
Potential for a twist: The book is part of the forest's soul, and destroying it would destroy the forest. The protagonist has to find a balance. Or the book can only be accessed when the forest's temperature (literally or metaphorically) is right, hence "Cio" (heat). Livro No Cio Syang Baixar
Themes: Temptation vs. sacrifice, the danger of forbidden knowledge, connection between nature and ancient magic. Need to add elements that tie the fever