The Arm of the Starfish (Laurel Leaf Books)

Blurb

The Arm of the Starfish is a young adult novel by Madeleine L'Engle, first published in 1965. It is the first novel featuring Polly O'Keefe and the O'Keefe family, a generation after the events of A Wrinkle in Time. The plot concerning advanced regeneration research puts this novel in the science fiction genre, but it could also be described as a mystery thriller.