Rick, a fourteen-year-old foster child, escapes from a juvenile detention facility near Las Vegas and travels to Canyonlands National Park in Utah where he meets a bird biologist working on a project to reintroduce condors to the wild.

After a summer of tagging sharks off the west coast of Florida, Sabina, Maribel, and Luke have a new assignment: searching for "survivor trees" that are resistant to the disease that is destroying the state's citrus trees; the search takes them to the remote mangrove islands of Sanibel Island, where they discover Spanish oranges, a grave, an immense saltwater crocodile, a reclusive woman who believes that the ghost of a dead king, beheaded by Spanish...