The Lady and the Tiger — Jody Lynn Nye

In Taylor's Ark and Medicine Show, Shona Taylor fought death and disease--with a menagerie of very special assistants. Now, in an all-new novel, Dr. Taylor takes on a new assignment, and discovers a chilling reality behind a picture-perfect planet...

WHAT PRICE FOR PARADISE?

Jardindor is, by most estimates, a new Eden: from the number of trees to the exact spacing of every lamppost and garden, the alien planet is perfection, a totally controlled terraformed world on the outreaches of colonized space. When Dr. Shona Taylor receives her posting as physician to the settlers on Jardindor, she packs up her family--children and animals, as well as Chirwl, the alien ottle--expecting a very serene six months.
But the people of Jardindor are guarding more than their perfect world. They're hiding a dark secret, and as Shona learns more about her new hosts and their strange fascination with animals, her new job turns into a nightmare...