Both search results are listed as paperback format.
The results show one book in science (sub-genre: physics) and the other in fiction (sub-genre: fantasy).
The page counts range from 272 pages to 1,022 pages.
One description offers a cockpit-level look at the space shuttle Enterprise and the shuttle system as a reusable space vehicle; the other describes the concluding volume of an epic fantasy centered on the Outcasts, Spark City, and escalating conflicts.
Height: 8.0 to 9.2 inches; width: 5.25 to 7.2 inches; depth: 0.6 to 2.29 inches; weight: 1.25 to 2.52 pounds.
Author names shown include Robert M Powers and Robert J Power.