This series is also available combined into 2 volumes, The Samsara Chronicles book 1 and The Samsara Chronicles book 2.
Aislinn and Dylan face the Nirvanan traitor Shakan to rescue Aislinn’s sister and discover his link to Vark. More
Faced with Shakan’s treachery, Aislinn and Dylan must capture him and rescue Nashira, Aislinn’s sister. Realizing that Shakan is both possessed by the spirit of a corrupt ancestor and is in league with Vark to betray Nirvana, they devise a plan to rescue Aislinn’s parents using alien technology obtained during Shakan’s capture.