        He put all his notebooks in Ziploc bags, then closed them in a metal Craftsman toolbox—the former home of his combination wrenches.  A couple of rocks he’d found and thrown in the box made certain that it wasn’t going to get snatched up by some curious creature on the island—and if anything happened to him, it would probably be found, eventually.  Granted, it would probably appear to be the rantings of a madman, but that couldn’t be helped.  Eventually, they’d surely reveal themselves to someone else, and then the notes would be quite useful.