The Missing Grimoire: A Blackhill Manor Novel by Claire Hastie
Deep inside the Dead Forest of Araig, evil beings are escaping from the damaged Nocte Viventem portal, and they are on the hunt for children's blood. Oblivious to the threat on their doorstep, Luna Green and the rest of the children at Blackhill Manor are still honing their new magickal skills, when they learn of a missing grimoire, an ancient book believed to hold the most powerful spells from the beginning of time. When two unexpected guests arrive at the manor, Luna and her friends soon learn of the terrifying creatures hiding in the Dead Forest, and she and the rest of the guardians realise they must find the grimoire and the next missing crystal, before someone else beats them to it.