"Few characters as obscure as Canadian novelist Frank L. Packard's gentleman cracksman, Jimmie Dale the Gray Seal, have had the impact and long term import of this one. Almost unknown today, Packard and his creation not only exerted a tremendous influence on the pulps he came from, but established many of the tropes of the modern superhero in comic books. From his secret lair, the Sanctuary, his multiple identities, and his calling card, a gray diamond paper seal, Jimmie Dale set the pattern for the mystery men and super heroes who will follow." - David L. Vineyard In the summer of 1912 New...