Toaru Majutsu no Index Light Novel All-in-One Edition is the All-in-One edition e-book for the twenty-four volumes of Toaru Majutsu no Index series, released on July 20, 2014. For Kamachi Kazuma 10th Year Anniversary Celebration, Dengeki Bunko officially releases e-books of Kamachi Kazuma's works. Purchasing all 24 volumes of Toaru Majutsu no Index comes with a free dress-up bookshelf for e-books and special preview.
Complete set of Old Testament series! Includes a new preview for a combined book!
"Toaru Majutsu no Index" is a very popular series that has been made into two animated series and theatrical films. A total of 24 books called the "Old Testament" series have appeared in one book! It contains a special afterword written by Kamachi Kazuma as a special bonus only for the combined book!
- OT All-in-One Edition: (Japanese) Bookwalker