Please select in store pick up if you plan to attend the book signing event in the Zoo on April 25th. Chelsea Clinton will be signing copies of her new book- Don't Let Them Disappear- at the Zoo on April 25th from 5-7pm during our Tunes n Bloom concert and Earth Day Celebration. She will ONLY sign books purchased from the Zoo webstore or in the Cincinnati Zoo Gift Shop. Please bring a paper copy of your reciept to pick or your book or have a digital copy available. Books and Reservations Admission to the Zoo is free starting at 5pm on April 25th for the Tunes n Bloom concert and Earth Day celebration. Up to 4 people can stand in line with 1 book. No memorabilia or parent's books will be signed, only books purchased on the Zoo webstore or in the Cincinnati Zoo Gift Shops. No posed photos will be taken. About the Book In her new book, Chelsea Clinton introduces young readers to a selection of endangered animals, sharing what makes them special, and also what threatens them. Taking readers through the course of a day, Don't Let Them Disappear talks about rhinos, tigers, whales, pandas and more, and provides helpful tips on what we can all do to help prevent these animals from disappearing from our world entirely.