Galahad's Council leader has returned-but she's not alone. Danger has stalked the teenage explorers from the moment they left Earth. Now they're face-to-face with the Dollovit, the intelligent beings responsible for the space vultures and the wormholes. As the starship flounders under a failing radiation shield, the Dollovit ambassador submits an offer of help that may be the only chance of survival. But...