I Want to Be a Police Officer is a 1994 Sesame Street book featuring Herry Monster. Herry Monster and Elmo are out riding their bikes in the park. They're having a lot of fun, until Elmo falls off his bike with a crash and starts crying. Herry calls 911 and Officer Diaz responds. After helping Elmo, she offers to let Herry join her patrol for the day. Herry gladly accepts, and gets to join a motorcade and learn more about Officer Diaz and what she does.