Complex sentence: In 1596 he published his Preparative to the "Speculum Britanniae", dedicated to Burleigh; and in 1598 the only other part of the project to reach print in his lifetime, "Speculi Britaniae Pars: the Description of Hartfordshire".
Split into simpler sentences: In 1596 he published his "Preparative to the Speculum Britanniae", dedicated to Burleigh. In 1598 there appeared the only other part of the project to reach print in his lifetime, "Speculi Britaniae Pars: the Description of Hartfordshire".