THere are so many good adventure, fantasy good vs. evil plots for our children. These stories are best for 7+ as they have some stronger themes and potentially frightening scenes (battles scenes, scary adventures.)
Redwall –
Wilderking Series
Wingfeather Saga
Green Ember
Mistmantle Series
The Wizard of Oz Series
The Chronicles of Narnia
The Hobbit
The Lord of the Rings