7 books in series

Great Mysteries: Opposing Viewpoints

Great Mysteries: Opposing Viewpoints is a 7-book series with 7 released primary works first released in 1987 with contributions by Norma Gaffron, Bryna Stevens, Peter Roop, Connie Roop, Barbara Mitchell, and Clarice Swisher.

The Bermuda Triangle

7 Great Mysteries: Opposing Viewpoints

1987 • 96 pages

Poltergeists: Opposing Viewpoints

7 Great Mysteries: Opposing Viewpoints

1988 • 100 pages

The Beginning of Language: Opposing Viewpoints

7 Great Mysteries: Opposing Viewpoints

1989 • 112 pages

The Pyramids: Opposing Viewpoints

7 Great Mysteries: Opposing Viewpoints

1988 • 102 pages

Dinosaurs: Opposing Viewpoints

7 Great Mysteries: Opposing Viewpoints

1987 • 95 pages

Witches: Opposing Viewpoints

7 Great Mysteries: Opposing Viewpoints

1987 • 118 pages

Bigfoot: Opposing Viewpoints

6 Opposing Viewpoints Series

1988 • 114 pages