The option to place a photo on a double page is only available for our Lay Flat books :
• A4 & A3 Lay Flat Photo Books - Premium Hardcover
• A4 Lay Flat Photo Book - Padded Cover
• A4 Professional Lay Flat Photo Book - Hardcover
• Square Lay Flat Photo Books - Premium Hardcover
To place a photo on a double page, click on "Layouts" from the panel on the left, then select "Panoramic Layouts" option from the dropdown menu. You can put up to three photos on a double page. You can also customize the size of photo apertures by dragging and moving their pink frame with your mouse.