A Galactic Adventure: The Emissaries:

Twins Emma and Alexander Nelrend Selturn never asked to be heroes, but destiny chose them anyway. In the far reaches of a fractured galaxy, they are trained at a demanding space academy where courage, loyalty, and telepathic skill decide who survives. When political unrest threatens the fragile peace among star systems, the twins are sent out as emissaries, using their psionic abilities and quick instincts to rescue colonists, uncover conspiracies, and protect worlds on the brink of collaps...