6 p.m. Cleghorn, author of "Rosie's Place: Offering Women Shelter and Hope," will discuss her new book. Free and open to the public. Boston Public Library, Copley Sq., Boston

MISCELLANEOUS

Harvard-Radcliffe Mock Trial Team Exhibition

7 p.m. Murder in the first! Come watch the undergraduate Mock Trial Team argue the case of State v. Darnell in its first-ever Harvard exhibition. Ames Courtroom, Austin Hall, Harvard Law School

MUSIC

Rooster

9 p.m. Free admission. Charles Playhouse, 74 Warrenton St., Boston

SCIENCE & TECHNOLOGY

Center for Astrophysics Observatory Night Programs

8 p.m. The Harvard-Smithsonian Center for Astrophysics will sponsor a free program on astronomy, featuring a nontechnical lecture, a short film and telescopic observing. Phillips Auditorium for CfA, 60 Garden Street.

Human Cloning: Beneficial Advance or Bioethical Quandary?

8:30 p.m. What are some of the social implications of future human cloning? Explore the numerous and far-reaching implications with bioethicist Ruth Macklin, M.D., and John Robertson, J.D. Memorial Hall 303

THEATER & DANCE

"Red Roses and Petrol"

8 p.m. Joseph O'Connor's first play explores the emotional landscape of an Irish family trying to come to terms with itself. Tickets $16, students $13. Call 497-5134 for info. Boston Ctr. for the Arts, 539 Tremont St., Boston