Price enquiry research for american print on demand agnecies

I need you to contact american book-printing agencies that provide a print-on-demand service. We are about to launch a book soon and we need you to find the best and cheapest provider. Specifications for the book: - 212 pages (full colour) 115 grams per square metre clear white paper. - cover: 250 grams white paper full colour - size: 200x230 mm (portret) - design, layout and all the content work will be done by us. I need: - the cost per book in print on demand - the exact delivery costs worldwide. - the extra cost per book if we'd like uv-spot on both sides of the cover