Imager's Challenge
L. E. Modesitt, Jr.
Наука и жизнь #06 1990
Nauka i Zhizn Magazine
The Shattering (Guardians of Ga'hoole)
Kathryn Lasky
Guardians of Ga'hoole (5)
The Double Spy
Dan T. Moore
The Replica
Ferro Gabro