Parasites Love Earth!

A ship crashes on Earth carrying the most dangerous parasites in the galaxy, including vampires who can drain peoples' genders, plants which interrupt the human reproductive system, and pancake like creatures who can take over human minds by riding on peoples' backs.

Major Samantha Arden and Colonel Jack Sullivan of the United Survey Service must stop them, while coping with their own feelings for each other. When Sam gets Infected with a rider, Jack must make the biggest decision of all.

Note: This book has adult situations, mind control, and alien impregnation.