Publisher's Synopsis
Hover Boy's secret is out, but there's a new problem - Madame Estella's talking cat, Mystic Mog, is missing. Mog's last words were 'DANGER DANGER BUT NOT FROM A STRANGER' - could they have been a terrible warning? Then a ransom note appears on their teacher's doorstep. Who would catnap Mystic Mog? Oscar, Gnatalie and Wibbly are determined to find out!
