Big Finish’s Sherlock Holmes Series 7 will be released across two separate sets, out in 2021 and 2022. As previously announced, Nicholas Briggs returns as the Consulting Detective with Richard Earl as Dr Watson in these two full-cast audio dramas, as they go head-to-head with new and old villains alike and once again solve the unsolvable.  The Seamstress of Peckham Rye is due for release in…