The book I read was the One and Only Ivan. Ivan is a groilla. A lonly gorilla. He has friends, they are Stela and Bob. But one day   a car comes rolling in. What will it be? Its a baby ELEPHINT!
One day Stela gets badly hurt  and gets sent to an animal hospitl.
Will Ivan see Stela again? Will Ruby be set free? Find out in The One and Only Ivan.