Owen Anderson, PhD
$2.99 – $4.99Price range: $2.99 through $4.99
Rick Davy James, PhD
$5.99
C. A. McIntosh, PhD
Sean McDowell, PhD
Louis Markos, PhD
Douglas Groothuis, PhD
Mark Coppenger, PhD
Linda A. Seiler, PhD
$2.99 – $8.49Price range: $2.99 through $8.49
