The Blue Book Magazine [Vol. 44 No. 4, February 1927] ed. Karl Edwin Harriman (The Consolidated Magazines Corporation, 25¢, 196pp, pulp, cover by Paul Proehl)
Details supplied by Rob Preston from Table of Contents.
· The Cowboy’s Calendar: February · Will James · fp
· The Unexpected Guest [Hercule Poirot] · Agatha Christie · ss The Sketch January 2 1924; illustrated by L. R. Gustavson; this reprints the slightly revised text from chapters 1 & 2 of The Big Four (Collins, January 1927).
133 · The Dartmoor Adventure [Hercule Poirot] · Agatha Christie · ss The Sketch January 9 1924, as “The Adventure of the Dartmoor Bungalow”; illustrated by Frank Hoban; this reprints the slightly revised text from chapters 3 & 4 of The Big Four (Collins, January 1927).
35 · The Lady on the Stairs [Hercule Poirot] · Agatha Christie · ss The Sketch January 16 1924; illustrated by L. R. Gustavson; this reprints the slightly revised text from chapters 6 & 7 of The Big Four (Collins, January 1927).
· The Radium Thieves [Hercule Poirot] · Agatha Christie · ss The Sketch January 23 1924; illustrated by L. R. Gustavson; this reprints the slightly revised text from chapter 7 of The Big Four (Collins, January 1927).
· In the House of the Enemy [Hercule Poirot] · Agatha Christie · ss The Sketch January 30 1924; illustrated by L. R. Gustavson; this reprints the slightly revised text from chapter 8 of The Big Four (Collins, January 1927).