Deluge: Book Three of The Twins of Petaybee

Changelings: Book One of The Twins of Petaybee

Maelstrom: Book Two of The Twins of Petaybee

Acorna's World

Acorna's Triumph

Second Wave: Acorna's Children

First Warning: Acorna's Children

Third Watch: Acorna's Children

Acorna's Rebels

Acorna's Search

The Mystery of Ireta: Dinosaur Planet & Dinosaur Planet Survivors

Dinosaur Planet Survivors

Dragon's Kin

The Tower and the Hive

Damia

Pegasus in Space

Crystal Singer: A Novel

Pegasus in Flight