Do aliens exist?
By: by Stuart A. Kallen
Series: Do they exist?
Publisher: ReferencePoint Press, Inc.
Published: 2015
Place of publication: San Diego, CA
Language: eng
ISBN-13: 9781601528520
Subjects: Extraterrestrial beings; Human-alien encounters; Juvenile literature; Life on other planets
Notes: Includes bibliographical references.

Grades 9 to 12.
Table of contents: title: Why do people believe in space aliens?; title: Encounters with aliens; title: Search for extraterrestrial beings; title: Are there other explanations for space aliens?.