Talk to Civean Il'Pernod, who is found at ( 321, 188, 493 ) /waypoint 320.88, 188.36, 492.69 just behind the griffon tower as you come up from the docks
Concordium Tower (Mages' tower in South Qeynos). Take the red portal and go down the first set of stairs. The book is behind Wynia Vethe on the desk ( 706, 42, 91 ) /waypoint 706, 42, 91. It looks like an open book.
Oracle Tower in Antonica on a stand on the top floor ( -1031, 27, -625 ) /waypoint -1031, 27, -625.