Haven is the official name given to the second moon of the fourth planet in Byers System. It is unusual in every way. Byers IV - generally known as the Cat's Eye - is located far outside the normal habitable zone for a G2 star; but being approximately 1.3 Jupiter masses, the gas giant provides sufficient radiant energy to keep much of Haven marginally tolerable.
Haven's rotation is unusual, since it is locked tidally with the Cat's Eye, but in the synchronized pattern of Mercury rather than always presenting the same face as does Earth's Moon. The planet is somewhat smaller than Earth, and has a much thinner atmosphere. Due to its proximity to the Cat's Eye there is great seismic activity. During the period of formation the tidal forces resulted in unusual patterns of vulcanism. Haven is a jumble of high mountains and deep rift valleys. Most of the mountains are high rocky peaks similar to the Andes mountains in South America on Earth.
The only temperate area is in the equatorial zone, which climactically resembles northern Scotland. Due to the thin atmosphere the only nearly comfortable area of Haven is a single deep rift valley in the equatorial area. The valley is locally called Shangri-La after a similar place in a novel of the 20th Century.
Like all life discovered so far, the indigenous plants and animals of Haven have biochemistries similar to those of Earth, but evolution has produced some unusual proteins. Needless to say, life native to Haven is extremely hardy, and proved quite dangerous to the early settlers, as indicated by names such as "shark's fin," "hangman bush," "land gator," "dragon" and "wireweed". Efforts to reseed Haven with Earth plants and animals have been only partly successful.
Sources: War World Book Series