The series consists of fifteen books : the first eight comprise the Deltora Quest series , the next three comprise the Deltora Shadowlands series ( also known as Deltora Quest 2 , Deltora II or Deltora 2 ) and the final four comprise the Dragons of Deltora series ( also known as Deltora Quest 3 , Deltora III or Deltora 3 ) .
It has 15 books overall : the first series Deltora Quest has eight books , the second series Deltora Shadowlands has three books , and the third series Dragons of Deltora has four books .