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 11, Jack's little sister, Susie, is so annoying! The Secret Seven are furious when they discover she's formed her own 'detective gang'! Then some money is stolen, and Susie is a chief suspect.
Solve the mystery!
The story was first published in 1959. This recording has been amended since the previous version (2013) to revert to the original text wherever possible.
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