The Chicago Review Press has re-released Stargate, with cover artwork based on the original. It is available here.
The CRP has been a publisher of Pauline’s work since 2007, when they re-issued The Eagle and the Raven, so this makes three of Pauline’s novels to be published in the U.S. by them. The other novel is the classic Child of the Morning.
Pauline’s page at the Chicago Review Press