Manga

Ascendance of a Bookworm ~I'll do anything to become a librarian!~ (本好きの下剋上 ～司書になるためには手段を選んでいられません～ Honzuki no Gekokujō ~Shisho ni Naru Tame niwa Shudan o Erandeiraremasen~) is a manga adaptation based on the light novels of the same name.

Amazon is releasing the kindle version of the manga in English, under the title Ascendance of a Bookworm: I'll do anything to become a librarian!. J-Novel will be reprinting the manga in English in September 2020. Ototo Manga has licensed to release the manga in French, under the title Petite faiseuse de livres. Crown Culture Corporation is releasing the manga in Taiwanese, with the title being 小書痴的下剋上.

So far, as of April 2020, there are 12 volumes in Japanese, 5 volumes translated to English, 3 volumes translated to French, and 2 volumes translated to Taiwanese.

Part 1
If there aren't any books, I'll just have to make some! is the first part of the manga in the Ascendance of a Bookworm series, illustrated by Suzuka and was serialized online via Niconico Seiga website between October 2015 and July 2018. It adapted Part 1 of Ascendance of a Bookworm and was collected in seven tankōbon volumes by TO Books. Japanese=

Part 2
I'll become a Shrine Maiden for Books! is the second part of the manga in the Ascendance of a Bookworm series and began online via Niconico Seiga serialization in September 2018. It adapts Part 2 of Ascendance of a Bookworm and is illustrated by Suzuka. Japanese=

Part 3
Let's Spread the Book to the Territory! is the third part of the manga in the Ascendance of a Bookworm series and began online via Niconico Seiga serialization in April 2018. It adapts Part 3 of Ascendance of a Bookworm and is illustrated by Ryo Namino. Japanese=

Official Comic Anthology
Lastly, the series an official comic anthology series. This is a collection of fan-made short manga.