Thunder Fighter: Ancient Battlefield

(This book won the third prize in the science fiction category of the 2015 Star Award. Thank you for reading) The era of Universal Guild has begun. In the parallel universe, during the Battle of Arkhangelsk, the Federation's Fifth Fleet launched a general attack on the last fortress of the Covenant. At a critical moment, the Federation's "future technology" device failed due to some unknown short-wave particles. The Covenant can be used normally. No help, alone! The ancient civilization that mastered "four-dimensional observation" reappears, and the era of the Universal Guild is in danger... Piloting the heroic X-wing Glacier fighter, Roy once again embarked on a mysterious journey.