What Happened to Sherlock Holmes?; as set to rest in The Legend of Wilson/The Amazing Athlete [*SIGNED*]

Marina del Rey CA: Seagull Publishing Company. Near Fine in Very Good+ dj. 1984. First Edition. Hardcover. [minimal shelfwear to book, previous owner's name and date & place of purchase in ink along left edge of front pastedown (concealed by the front jacket flap); jacket has a tiny bit of paper loss at top of spine, a touch of wear to edges and extremities, minor horizontal creasing at bottom of front panel]. INSCRIBED and SIGNED by the author on the front endpaper, just below a brief (non-authorial) birthday gift inscription. "What was Sherlock Holmes' fascination in a legend that took him thirty-five years to decipher? Can this tale be true? The mind rebels; can Doctor Hill Barton, a centenarian beekeeper in New Zealand, and Doctor John H. Watson be the same man? Only now, after fifty years of silence, he is able to reveal the mystery of what truly happened to his companion, Sherlock Holmes." Signed by Author .