J.I.M. Stewart 
Man Who Wrote Detective Stories [PDF ebook] 

In ‘The Man Who Wrote Detective Stories’ an emissary from Scotland Yard visits Freddie Seston in Venice, who happens to have bumped in to an old school friend, now a QC. Freddie is the supposed secret author, under a pseudonym, of a string of novels. Now, a murder has been committed using the same methodology as in one of the books. The only problem is, that title has not yet been published …. In this, and three other stories within this volume, J.I.M. Stewart does not disappoint, writing with his usual clarity and wit, along with the mystery and surprise readers have become accustomed to through the titles published under the his own pseudonym of ‘Michael Innes’.