M.J. Cosson has written at least 6 books. Their most popular book is Sherlock Holmes and the Boscombe Valley Mystery with 0 saves with an average rating of -⭐.
Series
9 primary booksAuthored 56% of series
On the Case with Holmes & Watson is a 9-book series with 9 released primary works first released in 1903 with contributions by Murray Shaw, M.J. Cosson, and Arthur Conan Doyle.