The world of the Nylean Chronicles is full of strange and wondrous creatures. Eight different colors of unicorns roam the Wilde, each with its own set of powers and duties. Under the Sun is the second volume collecting the stories of the various colors, taking place between Child of the Wilde and Child of the Stars.
Warden of the Wilde continues the story of Mildon, the unicorn set to watch over Stillwater Grove. When a dark presence invades his home, Mildon must take drastic steps to repel his foe.
Horn of Healing returns to the human town of Three Oaks. The yellow unicorn Tareel is sent to help heal the relationship between humans and unicorns, but she soon learns that there are dark creatures than anyone ever suspected threatening the village.
Son of the Mysteries takes us to the Starwood, the home of the mysterious blue unicorns. Ekel has issued a call for all colors of unicorns to send volunteers to become knights, but the blues have refused. As keepers of the mysteries, they guard their secrets well, but can even they avoid being caught up in the battle with the coming darkness?