I was interested in contacting Chase, so I found his UNC email address and mailed him this:
And he answered me:
The kids at UNC Hospitals Chapel Hill Pediatric Oncology Clinic benefit from reading books to help them escape from boredom, being scared and feeling bad. We are providing them with books they can read in the clinic or take home and we could use your help. We are collecting tax deductable donations and new or gently used children's book for ages preschool to early teens. We are also collecting preschool Spanish/English books.