From the Book Introduction:
'The Vanguard Reaches is located 138 parsecs directly spinward of the sector containing Zhodane/Gavel. The Vanguard Reaches contains 16 subsectors, 562 planetary systems, and a population of 1.128 trillion sentients. Ths population includes122 billion Zhodani, 117 million Vilani, 56 billion Vargr, 50 billion Aslans, and also Murian, Eslyat, Solomani and Droyne.'
Comes with a 40cm x 28 cm black and white map of the sector.