There are 2 books by Zetsukyo on BookOrb. A strong starting point is Toradora! 5 [Comic] (2012). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Zetsukyo written?
BookOrb lists 2 books by Zetsukyo.
Where should I start with Zetsukyo?
A good starting point is Toradora! 5 [Comic] (2012).
What is the Zetsukyo books in order list?
In publication order: 1. Toradora! 5 [Comic] (2012), 2. Toradora! Manga, Vol. 4.