You can try out the respective first episodes of each of the series contained in the bundle for free (either on this website or at most ebook retailers).
Gladys the Guard, Agent of Light, Superheroes Don't Wear Heels, and The Witch and the Commander.
This bundle is complete.
This bundle consists of these full series: Gladys the Guard, Agent of Light, Superheroes Don't Wear Heels, and The Witch and the Commander.