The Black Lotus

Ghost, Cormac, and Kate are not like other kids. Ghost can turn invisible, Cormac can run up walls, and Kate can talk to animals--all abilities that make them perfect for the Black Lotus, a training school for ninjas who are sworn to protect the world from the evil samurai-run Empire. When the Moon Sword--a source of unimaginable power--is stolen, the three friends must use their new skills to travel back in time to sixteenth-century Japan and retrieve it. Along the way, they encounter ninja and samurai lore, creating an explosive adventure perfect for fans of Rick Riordan and Brandon Mull.