There are 2 books by Kobayashi Yasuko on BookOrb. A strong starting point is Witchblade Takeru Manga (2009). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Kobayashi Yasuko written?
BookOrb lists 2 books by Kobayashi Yasuko.
Where should I start with Kobayashi Yasuko?
A good starting point is Witchblade Takeru Manga (2009).
What is the Kobayashi Yasuko books in order list?
In publication order: 1. Witchblade Takeru Volume 1 (2007), 2. Witchblade Takeru Manga (2009).