Then the door must be reached and opened.

In the way of both enterprises writhed a half dozen or more deadly snakes.

And to the problem of winning past them alive and getting to his enemy.

Gavin Brice bent his trained faculties.
The box whereon he sat was covered with loose boards nailed down only at one end, a long strip of thin iron or copper binding the one unopened edge.

So much his groping fingers told him.