Houzz is the new way to design your home.
ledges for books... check crate & barrel or PB
wallpaper for an accent wall... not this wallpaper, but the concept. Or, could paint a design.
Concept idea: Get an inspiring light fixture & splurge on a chair!
concept idea of using 2-3 colors & repeating them throughout as "splashes" of color.
treat the whole room as a giant mobile by hanging paper lanterns, mobiles, etc.. Think of cluster of various shapes/patterns or mix of paper flowers if a girl.
picture with words
paint or wallpaper idea with soft yellow and gray
color is Behr french gray... can cut with 25%white if not much light in the room
gray, white, and red
touch of red?