Huygens (Christiaan) The Celestial Worlds Discover'd: or, Conjectures concerning the Inhabitants, Plants and Productions of the Worlds in the Planets, first English edition, 5 engraved plates, all but one folding, that with small portion cut away from upper margin, title spotted, a little browned, old ink signatures and typescript label on front pastedown, no endpapers, contemporary panelled calf, spine gilt, rubbed, corners and spine ends a little worn, [Wing 3859], 8vo, for Timothy Childe, 1698.

⁂ First English edition of Huygens's treatise on the planets published the same year as the Latin edition, and including his ideas on the possibility of extraterrestrial life.