The Secret Seven see a house burn down, then they witness the theft of a valuable violin. Are the two incidents connected? It's up to the secret seven to find out.
Categories:
["Children's stories""Secret Seven (Fictitious characters)""Juvenile fiction""Detective and mystery stories""Mystery fiction""Adventure stories""Mystery and detective stories""Large type books""Histoires pour enfants""Livres en gros caract\u00e8res""Large print books""Gangs""Arson investigation""Violin""Theft""Clique""Geheimbund""Cockerspaniel""Abenteuer""Children's fiction""Puzzles""Adventure and adventurersfiction"]
