"Wu and Garmadon both want to become Spinjitzu Masters--but there are many who stand in their way--especially each other. Will a mysterious ninja bring them closer together or prove to be their undoing. And do they have what it takes to gain the skills they need to become true legends of Spinjitzu? Find out in this all-new illustrated chapter book series featuring the LEGO NINJAGO's Spinjitzu Brothers!"--