Secret of the Willows — Elna Stone

Kendall Morgan traveled to The Willows to be near her relatives, the last people to see her sister Sue Anne alive. What Kendall didn't understand was how her sister, a marvelous swimmer, had died in the shallow pool. Whom could she trust? Everyone seemed to be hiding the truth. Then the Pandora's box of evil flew open -- and all the horrors of The Willows descended on young Kendall.

VOICES IN THE MIST

Young Kendall Morgan went to the Willows, the great Louisiana house owned by the Malones, the Southern branch of her family. They were the last people to see her sister, Sue Anne, alive on that terrible day when she drowned mysteriously in a shallow pool. Kendall went to seek the truth, but they were all hiding something. But the truth, like the swampy bayou was forever shifting…and then the terror began.