The ESTO Universe Books in Order

The courier ship Hermes discovers a traumatized survivor aboard a drifting military vessel. Communications officer Isaac cares for Turk, unaware that dangerous experiments have altered his abilities and that a powerful admiral intends to use him as a weapon.

Data privateer Rhodi crash-lands on a hostile moon and receives help from a reclusive scientist who hides his face. Stranded by illness, the wary visitor and Professor Covington develop a connection despite the secrets each intends to protect.

Starvation and abuse have left an imprisoned man physically frail, but his anxious intelligence remains active. From his cold cell, he watches the unfamiliar guard who joins him each night, trying to understand what this new presence means.

Neurologically injured composer Vassily falls under his cruel stepfather's control after pirates abduct his mother. Seeking essential equipment from criminal mastermind Baba Yaga, he confronts addiction, suspicion, and an attraction to her youngest son that complicates his struggle.

Mechanic Marsh Kensinger discovers a sleeping pilot inside a salvaged craft carrying an imperial crest. The find draws him into an Imperial prince's attempt to hide, where a hastily invented engagement threatens to turn a practical rescue into political complications.

Cryo-revived investigator Aren returns to the frozen planet where he died more than a century earlier. Investigating murders amid tensions between settlers and indigenous people, he encounters suspect Nyachung, whose circumstances and personal appeal complicate an already difficult assignment.