Books like The Girl, the Cat and the Navigator

Set sail aboard the Plucky Leopard for an adventure of myth and marvel among the ice-caps!Curious, pin-bright Oona Britt dreams of a life of excitement on the wild waves. She has read stories of a mysterious, magical creature called the nardoo which swims through the stars at night, and decides to stow away on her father's ship to track one down.But her time on the storm-tossed sea is fraught with danger - there's a mutinous crew, a sabotaging ship's cat called Barnacles and a hungry creature of the deep awoken after a long sleep...