Age Group: 12+ Years

Description:

In this thrilling finale, the Hawthorne family and their allies are pulled into one final, high-stakes puzzle spanning Texas, Prague, London, and beyond. As old secrets finally come to light, every clue leads to more danger, and every answer comes at a cost. With riddles, hidden alliances, and a touch of romance woven throughout, this is the gripping conclusion fans have been waiting for — where every player must decide how far they're willing to go to win. Packed with twists until the very last page, it brings the beloved puzzle-driven series to a dramatic close.