The children of the sky2011

"Ten years have passed on Tines World, where Ravna Bergnsdot and a number of human children ended up after a disaster that nearly obliterated humankind throughout the galaxy. Ravna and the pack animals for which the planet is named have survived a war, and Ravna has saved more than one hundred children who were in cold-sleep aboard the vessel that brought them. While there is peace among the Tines, there are those among them--and among the humans--who seek power...and no matter the cost, these malcontents are determined to overturn the fledgling civilization that has taken root since the humans landed. On a world of fascinating wonders and terrifying dangers, Vernor Vinge has created a powerful novel of adventure and discovery that will entrance the many readers of A Fire Upon the Deep....