A self-proclaimed street librarian has a new way to deliver free books to kids in Baltimore. A high school student’s dream of treating skin cancer is getting closer to coming true. A nonprofit in Phoenix helps those experiencing homelessness unwrap a little happiness this holiday season. A filmmaker who’s collecting stories about happiness hits more countries. Plus, we share some of our listeners’ highlights from the year. Learn more about your ad choices. Visit podcastchoices.com/adchoices