For many years, Martin Hewitt has been mostly forgotten, except in some Sherlockian circles, where it has long been theorized that he was a young Mycroft Holmes. However, recent evidence has come to light that Hewitt's adventures were - in fact - cases undertaken by a young Sherlock Holmes when he lived in Montague Street, several years before he would take up his legendary rooms in Baker Street with Watson.
These volumes are the Complete Martin Hewitt Stories, taking Arthur Morrison's original publications and presenting them as Sherlock Holmes adventures. If you are a fan of Holmes, enjoy! And by all means, seek out the original Hewitt stories and enjoy them as well. The Game is afoot!