What are some really good fantasy stories?

Do NOT erase the other answers -- add yours at the end

• The Narnia series by C.S. Lewis
• The Prydain series by Lloyd Alexander
• Anything by Diana Wynne Jones - her Chrestomanci series is about magicians
• The People series by Zenna Henderson
• Anything by Madeline L'Engle
• Anything by Tamora Pierce
• Timeline by Michael Crichton