The third Tommy & Tuppence novel.
When Tommy and Tuppence visited an elderly aunt in her gothic nursing home, they thought nothing of her mistrust of the doctors; after all, Ada was a very difficult old lady.
But when Mrs Lockett mentioned a poisoned mushroom stew and Mrs Lancaster talked about âsomething behind the fireplaceâ, Tommy and Tuppence found themselves caught up in an unexpected adventure involving possible black magicâŚ