Doomsday Book by Connie Willis

Title: Doomsday Book
Series: Time Travel
Number in Series: 2 (two)
Author(s): Connie Willis
Cover Artist: Roger Kastel
Language: English
Original Publisher: Bantam Spectra
Originally Published: July 1992
Publisher: Bantam Spectra
Published: September 1993
ISBN-10: 0553562738
ISBN-13: 9780553562736

The Empire Strikes Back by Donald F. Glut

Title: The Empire Strikes Back
Series: Star Wars (original trilogy), Star Wars universe
Number in Series: 2 (two), 2 (two)
Author(s): Donald F. Glut
Cover Artist: Roger Kastel
Language: English
Publisher: Del Rey
Published: May 1980
ISBN-10: 0345283929
ISBN-13: 9780345283924