Charles Osborne

Charles Osborne is widely recognized for his extensive work as a music critic and opera expert, particularly for his detailed analyses and biographies of composers and their works. He also gained acclaim for his mystery novels, especially those featuring Hercule Poirot, which he continued after Agatha Christie's death.

Charles Osborne is known to have written under his own name for both his non-fiction works on opera and his mystery novels. There is no widely recognized evidence of him using other pen names for his published works.

Charles Osborne adapted several of Agatha Christie's plays into novels, including "Black Coffee" and "The Unexpected Guest." These adaptations brought the stage productions to a new format for readers.

For readers interested in his mystery novels, starting with "Black Coffee" is a good entry point as it introduces his continuation of Agatha Christie's Hercule Poirot series. If you are interested in his non-fiction, his works on opera, such as "The Complete Operas of Verdi," are highly regarded.