I found these pictures on a blog and tracked down the source.
They would be fantastic anywhere, but I especially like the idea of hanging them in a library.
The prints are the artwork of Amariah Rauscher and are available for purchase online.
There are dozens of delightful prints.
Boy Reading to Bunnies at Bedtime
Boy Who Liked to Read
Girl Who Wrote Stories
Girl Who Like to Read
Have fun looking at more pictures.