v. 1. I. The discovery of a new world; or A discourse tending to prove, that it is possible there may be another habitable world in the moon. With a discourse of the possibility of a passage thither. II. That it is probable our earth is one of the planets
v. 2 I. Mercury; or, The secret and swift messenger. Shewing how a man may with privacy and speed communicate his thoughts to a friend at any distance. II. Mathematical magic; or, The wonders that may be performed by mechanical geometry. III. An abstract of his essay towards a real character, and a philosophical language.