Aidan from Mysteries Ahoy! briefly explains what a closed circle mystery is and what its distinctive elements are.

Books for adults referenced in this episode:

And Then There Were None by Agatha Christie

Cards on the Table by Agatha Christie

Books for middle grade readers referenced in this episode:

Murder is Bad Manners by Robin Stevens

Poison is Not Polite by Robin Stevens

Blog posts referenced in this episode:

Five to Try: And Then There Were None Homages (Mysteries Ahoy!)