It would be hard to describe how elated I felt upon returning to our fishing spot and finding the trout gone, though in truth I couldn't be sure if Ghost had gotten to it or some other predator-at least not until I stepped through (having had some difficulty in locating the portal, I confess) and saw the fresh prints.And yet of Ghost himself there was no trace, even after I'd called out to him-in the hopes he might recognize my voice- and laid the...