Here is the second official Ascendance of a Bookworm fanbook, intended to be read after finishing Part 4 Volume 1. This volume contains an abundance of supplementary content, including design sheets for a variety of new characters, an extensive family tree, and seven short stories not found in the light novels. Also included are behind-the-scenes reports on the recording of a Bookworm drama CD, and another reader Q&A with author Miya Kazuki.

Here is the first official Ascendance of a Bookworm fanbook, intended to be read after finishing Part 3 Volume 2. This book contains a slew of additional content, including all the color and cover artwork up to Part 3 Volume 1, a short story on Monika and Nicola’s first tour of the temple, a manga chapter by Suzuka, and three four-panel manga by You Shiina. Also inside are design sheets showing how Bookworm’s characters were visually brought to life, and a Q&A with author Miya Kazuki containing lesser-known details about the plot as well as information on how she planned out and developed the series.

Rozemyne now only needs the ruelle fruit she failed to gather last year. With it, she and Ferdinand can brew a potent potion known as a jureve, the power of which will finally make her a normal, healthy girl! Well, probably... Her joy leads to a flurry of activity as she pours her all into advancing the paper-making industry and gathering more support, all so that she can create a world with more books for her to read. As the High Bishop, she eventually has to travel through the Central District for the Harvest Festival, and in the midst of all this, she even gets her first little sister. But as everyone prepares for winter, the political struggle between nobles intensifies. Their plots sow discord within the temple, and what happens next will change Rozemyne’s future forever... Shocking developments abound in this climactic conclusion to Part 3! This volume ends with a series of short stories leading into Part 4, alongside the now familiar four-panel manga drawn by You Shiina!

Rozemyne awakens from her two-year sleep to a world that isn’t as she remembers it. The strange sensation fills her with unease, but she has no time to rest—she is soon to be enrolled in the Royal Academy as an archduke candidate, where she will be taught how to control her mana, make magic tools, and perform the magic needed to rule as an archduke. She begins dormitory life with colorful teachers and students from other duchies, aiming to be the best big sister possible... but there is little chance things will go according to plan when there is a massive library on the premises. She charges there at once, the other archduke candidates and even the royal family disappearing from her mind entirely. She truly will do anything for books! Now begins a new chapter of this biblio-fantasy, with a school as its setting! This volume includes two original short stories, a four-panel manga drawn by You Shiina, and the results of the second popularity poll.

The long winter comes to an end and vibrant spring returns to Ehrenfest. The temple swirls busily as attempts to control Myne's future escalate and the High Bishop, fueled by hate, shrouds the city in the darkness of his nefarious plots. But Myne just wants everything to stay the same. Her little brother has been born, she's making new books thanks to her progress making ink, and she wants nothing more than to just keep spending more heart-warming time with her family and friends. The world, however, forces her to make a cruel and unbearable decision. To protect those she loves, she must begin walking a new road. Part two of this biblio-fantasy concludes in this heart-wrenching volume! There's a collection of short stories following the shocking climax, as well as two completely original short stories and a four-panel manga drawn by You Shiina.

With the advancement ceremony and fellowship gatherings complete, Rozemyne’s new year at the Royal Academy can properly begin. She goes on another library-inspired rampage and pushes the other Ehrenfest second-years to finish their classes on the first day, all while hunting for new allies to recruit into her Library Committee. Somehow, Rozemyne manages to cause even more problems, and in quicker succession than the year before. She spends more time with the professors, the archduke candidates from top-ranking duchies, and even the Sovereignty’s third prince, much to her guardians’ displeasure. But as they agonize over interduchy diplomacy, Rozemyne blazes ahead on her own path. She charges forward with unbending focus and even hunts a ternisbefallen feybeast that shows up in Ehrenfest’s gathering spot! This is the newest volume of this biblio-fantasy wherein the book-obsessed protagonist can’t quite catch a break. Includes two original short stories and four-panel manga by You Shiina!

Spring is the season when love blooms! Rozemyne's retainers are bursting with energy as they make clothes, attend their debuts, and shine in the new season. The improved printing press is finally completed in the temple workshop, and the variety of available books is steadily beginning to expand. Picture books, collections of sheet music, knight stories—all are now being sold. Their first aim is to further develop the paper-making industry in preparation for the spread of printing across the entire duchy. To this end, Rozemyne's party travels to Illgner, hoping to teach them how to make paper while also researching new materials to use. As the environment around Rozemyne slowly improves, the archduke's older sister arrives for a visit, shrouding Ehrenfest in an air of unease. Everything changes in this volume of this biblio-fantasy as nobles emotionally clash and the conclusion of Part 3 approaches! Including two newly written short stories and a four-panel manga drawn by You Shiina!