Star Trek: That Which Divides

About this book

The Xondaii system is home to a spatial rift which opens every 2.7 Earth years, remains open for 21 Earth days, & allows access to a small planetoid that orbits in proximity to the system's fourth planet. Science vessel U.S.S. Robert Ballard is damaged during its mission to the system, & the U.S.S. Enterprise is dispatched to investigate.