The Portals (The Survivors Book Nineteen)

An expanded network. A daring escape.
Dean Parker may no longer be the Recaster, and with Mary as the President of the Alliance, he dives headfirst into leading the Gatekeepers.
Since the discovery of countless new portals, the Gatekeepers are in the process of expanding their exploration efforts. With Sarlun gone, and Shimmal’s withdrawal from the Alliance, unity at the Academy is more imperative than ever.
Hugo is sent on his first mission, but doesn't return.
Jules learns of a mysterious contest, and joins it; a looming death pushing her to succeed.
The Portals is a fast-paced, riveting adventure, unlike any before it.