If you like The Lost Years of Merlin or The Great Tree of AvalonI then you will probable like these other books.

•  The Theif Lord by Cornelia Funke and Oliver Latsch
• Inkheart also by Cornelia Funke
• The Tamora Pierce novels
• Eragon by Christopher Paolini
•  The Bartimaeus Trilogy by Jonathan Stroud
• Artemis Fowl by Eoin Colfer
• Mrs. Frisby and the Rats of Nimh by Robert C. O'Brien and Zena Bernstein