Michael PetranekBooksNew FriendDreamerJoker's Big Break (LEGO Batman Movie)Joker's Big BreakHigh-Tech Ninja HeroesLEGO Ninjago MovieBeing BatmanLord Garmadon, Evil Dad (the LEGO Ninjago Movie: Storybook)LEGO Batman MovieLord Garmadon, Evil DadThe LEGO Ninjago MovieLego MinifiguresBeing Batman (LEGO Batman Movie)Author data: Open Library