LightSea. Book 3. Dark Times

The third book in the "LightSea" series is a continuation of the adventure of two unusual friends: a girl named Bea and a galdurian named Kad.
LightSea, where the sun once shone, has been engulfed by darkness. Bea, Kad, and their... friends tried to find the sun, but nothing worked, and it seemed that hope had completely faded…
When suddenly their search for answers turned into an unexpected discovery: once before, LightSea had plunged into darkness, and someone from the galdurians even tried to fix everything, but it seems they only made things worse!..
Will the friends be able to decipher the mysteries of Irpa's history and figure out what the feathered knights who follow them are truly after?
And will they dare to try to fix everything again, unafraid of failure?