Download or read book Relativity written by James Swallow and published by Fandemonium Books. This book was released on 2007 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stargate Command's attempts to sign a treaty with the Pack, a race of gypsy space travellers, is jeopardised by a series of attacks from an unknown enemy. While searching for the perpetrators, Jack begins to suspect that the Pack are concealing a dangerous secret.