Ingrid, Charles. Alien salute / Charles Ingrid. - New York, NY : DAW Books, c1989. - 252 p. ; 18 cm. - The Sand Wars ; book four . ISBN: 0886773296 (pbk.) : $3.95 LCCN: 2001567092 Subjects--Topical Terms: Science fiction. Index Terms--Genre/Form: Science fiction. LC Class. No.: CPB Box no. 1731 vol. 2 Dewey Class. No.: 813.54