Stalking the Enemy by Jane Prowse (paperback)

Using all her new Ninjutsu skills – disguise, deception, fighting and infiltration – Hattie and her friends Mad Dog and Neena must find the valuable 12th century scroll that could determine her future. Their search leads them to a Kataki training camp deep in the forest. There they discover a terrifying plan to poison the local water supply in order to seize control of a nearby prison. Hattie Jackson must fulfil her destiny as Hattori Hachi, uncovering more painful truths about her family – along with some very good reasons to be proud of her destiny as the latest Hattori ‘Golden Child’…