Ruby vive en un santuario de vida silvestre, y su cuidador de Ruby del orfanato de elefantes en África donde creció está de visita. Verlo de nuevo le trae una avalancha de recuerdos felices y tristes de su vida antes del circo, y les cuenta a Iván y Bob el tiempo que pasó en la sabana africana.
Ruby lives in a wildlife sanctuary and Ruby's caretaker from the elephant orphanage in Africa — where she originally grew up — is visiting. Seeing him again brings back a flood of both happy and sad memories of her life before the circus, and she tells Ivan and Bob about her time on the African savannah. From beloved powerhouse author Katherine Applegate comes The One and Only Ruby, starring the adorable baby elephant from the Newbery Medal-winning modern classic The One and Only Ivan and its bestselling sequel, The One and Only Bob.