Best-selling author Chelsea Clinton will present her new children’s book, Don’t Let Them Disappear: Twelve Endangered Species Across the Globe, at a special event and book signing May 23, 2019 at the San Diego Zoo.

The San Diego Zoo Safari Park is inviting the public to a special celebration next Tuesday, March 19, 2019 at the gorilla habitat inside Gorilla Forest, in honor of gorilla Joanne. She is turning 5, marking a major milestone for a youngster once called a “miracle baby” because of the challenges she overcame following complications during her mother’s labor.