59 hours and 49 minutes published by by Arthur Wallens Publishing?.
https://www.amazon.com/dp/B07N7G714J/
This Audiobook contains :
A Study in Scarlet,
The Sign of the Four,
The Adventures of Sherlock Holmes,
The Memoirs of Sherlock Holmes,
The Hound of the Baskervilles,
The Return of Sherlock Holmes,
The Valley of Fear,
His Last Bow.