Our 12 year old son adores these books. It's challenging to find literature that's appropriate for young adults that's not filled with worldly garbage, but that holds the attention of reluctant readers, which my son was until we found these. After finishing the Eragon series on Audible, we wondered if we'd be able to find something that would keep him enthralled. We did. I love that there's so many in the series. It makes it simple to order him more. We buy in sets of 3 and he looks forward to each shipment! It's a great way to keep him motivated and engaged in reading. Children love getting mail. And we save a small amount of $ on each book!