The future is looking bleak- not only is the Astromancer held captive by the wicked Ruatapu, but also the kūmara crops are dying.
Aria and her fellow apprentices - and Kurī - must repeat Tawhaki's great feat and climb up into the heavens to ask the star Whanui for help.
They have to act quickly because Matariki is drawing close, but the journey seems impossible . . .

Also translated into te reo Maori as A Aria me te Atua o te Kūmara.