Tamora Pierce- Song of the Lioness, Immortals, Trickster's, etc
Christopher Paolini- Eragon, Eldest
J.K.Rowling- Harry Potter, duh
T.A.Barron- The Great Tree of Avalon
E.D.Baker- The Frog Princess
J.R.R.Tolkien- Lord of the Rings
Eoin Colfer- Artemis Fowl
Erin Hunter- Warriors