Science Comic Survival Series: 27 books Historical Manga Time Warp Series: 3 books Set of 30 books. No individual sales. These are used books, so there may be minor scratches, creases, stains, discoloration, and yellowing due to age. However, there are no noticeable major damages, and the books are in good condition. Please check the images for the condition and understand that these are used items before purchasing.