A mentor and paternal figure to Lilian, Caxton is a respected member of the bookbinding community who offers guidance and support. His generosity and wisdom are central to Lilian’s growth.

Lilian's primary love interest, Harry works at a tavern and later at the university press. He shares a complicated past with Lilian and provides steadfast support throughout her journey.

A secondary love interest, Charlie works in a London bookshop and assists Lilian in her investigation. He represents a simpler alternative to her complex relationship with Harry.

A secondary protagonist, Isabel’s story unfolds in a different timeline, and her experiences reflect broader themes of female agency. She is determined to shape her own destiny despite societal pressures.

Isabel’s secret husband and the father of her child, William is deeply in love with Isabel and is characterized by his bold and intellectual nature.

The antagonist lurking behind the scenes, Julia is driven by familial motivations and a fixation on lineage and inheritance.

A sinister character who is a secondary antagonist, Devlin is tasked with intimidating Lilian, driven by financial motives rather than personal ones.