As Hercule Poirot sifts through his post one particular morning, he alights upon a letter from an elderly and (as it transpires), exceedingly rich spinster - Miss Emily Arundell. She is clearly in great distress and seeking his help, but doesn't say why. Her only specific mention is 'the incident of the dog's ball'.
Young Stalin is a remarkable adventure story about an exceptional, turbulent young man, born in exoticism, raised in the church, fancying himself a poet, then embracing revolutionary idealism and thereby finding his romantic Messianic mission in life.