THE SULLIVAN DETECTIVE AGENCY: DOUBLE TROUBLE THE CASTLE QUEST (PART-II) (Audiobook Version)

The Sullivan Detective Agency: Double Trouble The Castle Quest (Part II) takes twins Carter and Cooper to a historic Irish castle with retired detective Mr. Murphy. Teaming up with new friends, they investigate shadowy creatures, hidden passageways, and ancient secrets rooted in folklore. This thrilling mystery is now available as an audiobook!