Anne McCaffrey wrote the Dragon Riders of Pern. There are 23 books in the series. The books in order are: Dragonflight (1968),Dragonquest (1970), Dragonsong (1976),Dragonsinger (1977),The White Dragon(1978),Dragondrums (1979),Moreta: Dragonlady of Pern (1983),Nerilka's Story (1986),Dragonsdawn (1988),The Renegades of Pern (1989),All the Weyrs of Pern (1991),The Chronicles of Pern: First Fall (1993),The Dolphins of Pern (1994),Dragonseye(1997),The Masterharper of Pern (1998),The Skies of Pern (2001),A Gift of Dragons (2002),Dragon's Kin (2003)Beyond Between,Dragonsblood (2005),Dragon's Fire (2006),Dragonharper (December 2007),and Dragonheart (November 2008). Its a great series. Try it!