Given the task definition and input, reply with output. In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Autolycus ' surviving works include a book on spheres entitled " On the Moving Sphere " ( ) and another " On Risings and Settings " ( ) of celestial bodies .
Autolycus ' surviving works include a book on spheres ( called " On the Moving Sphere " ) and another on the rising and setting of celestial bodies .