The Prime Minister's Pencil: A 'Perrins, Private Investigators' Mystery

"Terrible disaster at the House of Commons."

Christopher Perrin, investigator, is drawing up a confidential report for a distinguished client, when he is interrupted by Miss Millicent Rushburton, daughter of leading politician Sir Ethelred Rushburton.

Miss Rushburton is trying to trace her father's secretary, Cuthbert Solway, who has vanished following a visit to a Harley Street specialist. Perrin contacts his old friend Inspector Philpott, who discovers the missing secretary dead in the grou...