Each Blurb book format has specific minimum and maximum page count requirements. For photo books with standard paper, the range is 20 to 440 pages. Other photo book papers we offer have page count requirements from a minimum of 20 and a maximum of 240. Layflat photo books can have between 20 and 110 pages. Trade books must contain at least 24 but no more than 480 pages. Magazine options require a minimum of 20 up to a maximum of 240 pages and must be arranged in multiples of four.