Adventures of Two Captains Volume IV

Adventures of two captains' series and the related appendixes, together, make the longest epic poetry of the 21st century; this project is a great example of interdisciplinary welding!
The captains start their journey from the Milky Way, sailing forward towards the received and deciphered S.O.S of their old allies living the in evergreen lands of the Ysa! This mysterious land is abounded with the Mother source of the green magic ;(( in the literature of the "Galaxies" the green magic is believed to be the peace maker and the peace keeper!)) The Dark Prince and his cronies, in some vain attempts, have done their best to destroy the birthplace of the Green Light ((a.k.a green magic)) the forces of the prince have been scattered all across the galaxies while being determined to halt the approach of the adventures towards the promised land of Ysa.