Pegasus In Flight

"Pegasus in Flight is the second book in Anne McCaffrey's "The Talent" series, set in a crowded, near-future Earth where psychically gifted individuals, or "Talents," are essential for building a space platform that will allow humanity to colonize distant planets. The story follows Rhyssa Owen, head of the Jerhattan Parapsychic Center, as she protects her people from exploitation and discovers two extraordinarily gifted children—the language-proficient Tirla and the telekinetic Peter Reidinger—whose abilities hold the potential to either save or doom humankind"