Academic Rewriting for 50+ Pages

I have an existing manuscript a little over 50 pages that needs to be rewritten so it reads as a polished academic text. The core ideas, data and argumentation must stay intact, yet the language has to meet scholarly standards—tight, precise, and free of redundancy... (Budget: $250 - $750 USD, Jobs: Academic Writing, Article Rewriting, Content Writing, Copy Editing, Editing, Ghostwriting, Proofreading, Research Writing)