The first volume saw a July 2019 debut from Kodansha Comics in English and they’ve now scheduled their latest volume for a February 7th, 2023 release.
This volume saw release in Japan on June 7th, 2022 and is the most recent volume.
Kodansha Comics revealed the acquisition of Magus of the Library, which is known as Toshokan no Daimajutsushi in its original Japanese, back in the fall of 2017 at NYCC.
The book comes from 7th Garden creator Mitsu Izumi which began in 2017 and has one volume out so far as serialized in Good!