More than two hundred thousand years after vanishing, the Iconians reappear and reopen their ancient gateway network across the galaxy, offering to sell the Federation the secrets of their lost technology. As Klingons and Romulans clash over the sudden access to unclaimed space, Picard assembles a fleet of allies to find out what the Iconians really want. The third novel in the Gateways crossover.

Summary by Loreful, from public sources

Placement