We are in the process of formatting all our George MacDonald books for Kindle.
The easiest way to find what you're looking for is to begin at this page and click the link to the edition you want.
The e-books will have sample contents.
"The best thing you can do for your fellow, next to rousing his conscience, is — not to give him things to think about, but to wake things up that are in him; or say, to make him think things for himself."