Return to the unforgettable world of the Newbery Medal-winning and #1 New York Times bestselling novel The One and Only Ivan (soon to be a major motion picture!) in this incredible sequel, starring Ivan's friend Bob! Bob sets out on a dangerous journey in search of his long-lost sister with the help of his two best friends, Ivan and Ruby. As a hurricane approaches and time is running out, Bob finds courage he never knew he had and learns the true meaning of friendship and family. Bob, Ivan, and Ruby have touched the hearts of millions of readers, and their story isn't over yet. Catch up with these beloved friends before the star-studded film adaptation of The One and Only Ivan hits theaters in August 2020! One and Only Bob is an instant #1 New York Times bestseller, embraced by new and old fans of Katherine Applegate's beloved One and Only Ivan!