They don’t really need a nightstand with drawers because, let’s face it, drawers can quickly turn into bottomless pits.
– Make the cuts per the plans. – Make pocket holes.
Attach the shelves to the sides using glue and pocket hole screws.
Attach the front rail using wood glue and pocket hole screws.
Attach hardboard or ¼” plywood to the back between the two shelves for the book storage area using wood glue and a brad nailer or a hammer and finish nails.