The Castle of Llyr
Lloyd Alexander
The Chronicles of Prydain (3)
Spells
Aprilynne Pike
Wings (2)
Air Apparent
Piers Anthony
Xanth (31)
Troy: Fall of Kings
David Gemmell & Stella Gemmell
Troy Trilogy (3)
Death by black hole: and other cosmic quandaries
Neil deGrasse Tyson