Format Book for Lulu Print

I need a Microsoft Word document that is approximately 280 pages of text and images, formatted in Affinity by Canva. The Affinity file should be ready to export to a PDF that can be sent to Lulu for printing as a large (8.5x11 inches) hardback book... (Budget: $100 - $750 USD, Jobs: Adobe InDesign, Affinity Designer, Canva, Design Optimization, Graphic Design, Local Job, Microsoft Word, Print Design, Publishing, Visual Design, Word)