Books have been lightly read once. All books have no annotations, highlighting, or bent/dog-eared pages (one book is tabbed and I will remove the tabs before shipping!). Some of the books have yellowed pages and the last book has some shelf wear, so make sure to see photos for more info! Will be packaged and shipped together. Second book in the series is signed by the author. All books are 1st edition 1st printing copies with the full 10 9 8 7 6 5 4 3 2 1 number line present.