International best-selling author John Flanagan returns to world of Ranger’s Apprentice in the fifth instalment of the Royal Ranger series starring Maddie, Will Treaty’s fearless young apprentice.

After their plan to rescue the prince of Gallica has gone horribly wrong, Will Treaty and his apprentice, Maddie, are being held captive at the Chateau des Falaises in Gallica. The dangerous baron Lassigny is intent on keeping them - and the prince - no matter what. But Will and Maddie are determined to escape.

If they ever want to return to their home, they’ll have to find ways to outwit the baron and get outside the locked tower. When friends from home endeavour to find their own way to help, it seems escape is closer than ever. But the dirty tricks of the baron are no laughing matter.

Facing dangerous threats, battles with knights and a new and risky plot to save the prince - the odds are stacked against them. But the Rangers will use all the tools of their trade to save themselves and save the day.