ISBN-13: 9781408334911 / Angielski / Miękka / 2016 / 136 str.
In a desert oasis a terrifying creature lies in wait. Plexor, a monstrous water Beast, is guarding the missing royal orb. Tom and Elenna must conquer the Beast, or all the kingdoms are doomed! Don't miss the other books in Series 15: Velmal's Revenge - Wardok the Sky Terror - Xerik the Bone Cruncher - Quagos the Armoured Beetle