Ascendance of a Bookworm, de son titre original Honzuki no gekokujō (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〜, Honsuki no gekokujō: Shisho ni naru tame niwa shudan o erandeiraremasen, litt. « L'Ascendance de l'amoureuse des livres : Je ne peux pas choisir un moyen pour devenir bibliothécaire ») est une série de light novel écrite par Miya Kazuki et illustrée par Yō Shiina. L'histoire suit la nouvelle vie d'une jeune fille de l'époque moderne adorant les livres qui s'est réincarnée dans un monde fantastique au style proche de l'Europe médiévale. Elle cherche à produire des livres dans ce monde qu'elle découvre à partir de ses connaissances modernes.

To protect those she cares about from danger, Myne abandons the life she knows to become Rozemyne, the archduke's mana-rich adopted daughter. But her passion for books hasn't changed, nor does she hesitate to charge into another strange new world. In this biblio-fantasy by bookworms, for bookworms, the detailed setting continues to expand—and so too does the book-making industry! (Source: J-Novel Club)

Rozemyne has awoken from her two-year slumber. Everything and everyone has changed, which is as terrifying as it sounds, but she doesn't have time to waste before she's thrust toward the Royal Academy—a requirement for becoming a noble. There, she will meet all sorts of colorful teachers and students from other duchies... but can she keep her composure in the face of the most books she's seen yet? Our bookworm goes to school in the newest installment of this biblio-fantasy by book lovers, for book lovers. (Source: J-Novel Club)