There's a link to view all the books in a series from the book's information page, but the Series itself isn't surfaced elsewhere. Consider some/all of the following enhancements around series:
A Series page that shows all the series for which books are in the library
Collapsing books in the Library page to show the series instead of the individual books
Ability for series to contain other series (e.g. Heralds of Valdemar, which is composed of many duologies/trilogies in the same world)
There's a link to view all the books in a series from the book's information page, but the Series itself isn't surfaced elsewhere. Consider some/all of the following enhancements around series: