Kieran Fanning, Lee Maxwell Simpson, Nudged Audio
The Black Lotus
Audible Audiobook
(Nudged Audio April 7, 2016)
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 which make them perfect recruits for the Black Lotus, a training school for ninjas.
But when the Moon Sword, a source of unimaginable power, is stolen by a samurai, the three are forced to put their new skills to the test in 16th-century Japan.