Secret of Dragonfly Island by P A Bremmer
Price: $3.99 USD. 34740 words.
Published by Windcall Publishing on October 18, 2011. .
Summer of 2009 a group of fourteen middle graders venture off to Dragonfly Island, along Willapa Bay, in the state of Washington.
After the first night, the older kids notice something's not quite right with the counselors. They have a strange odor about them and never remove their sunglasses.
Why do some of the campers become ill and spend the night in the infirmary instead of going home?