Solve the mystery with the Secret Seven - everyone's favourite detective club! These timeless stories are perfect for young fans of mystery, adventure or detective series.

In book 12, there are strange happenings indeed at Torling Castle! Someone is hiding out in the ruined tower, making the resident jackdaws very unsettled. Who is it, and what do they want? The Secret Seven are on the case! Solve the mystery!

The story was first published in 1960. This recording has been amended since the previous version (2013) to revert to the original text wherever possible.

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