Dianne’s first novel, We Hear the Dead, is a YA historical based on the real story of 19th century teenage spirit mediums Maggie and Kate Fox. We Hear the Dead was the inspiration for the Canadian-produced short film, The Spirit Game, which premiered at the 2013 Cannes Film Festival. Her second novel, another YA historical, The Caged Graves, is a Junior Library Guild Selection and was inspired by two real caged graves in an abandoned Pennsylvania cemetery.

Her debut book for children, The Eighth Day, released in 2014 to critical acclaim and is the first in a series about a secret day of the week tied to Arthurian legend. The adventure continues in The Inquisitor’s Mark and The Morrigan’s Curse.

Eleanor, Alice & the Roosevelt Ghosts is a ghost story set in an alternate historical setting where ghosts are known to be real and are categorized into three distinct types: Friendly, Unaware, and Vengeful. Jadie in Five Dimensions is an adventure of geometry, monsters, kidnapping, physics, and conspiracies, and The Carrefour Curse is a spooky, gothic mystery that Publisher’s Weekly called, in a starred review, “a standout, genre-bending dark fantasy.” All three of these books were chosen as Junior Library Gold Standard Selections.

2025 will see the publication of Dianne’s ninth book, The Tontine Caper, a comedy historical mystery described by Booklist as “heart-warming … with a hint of art crime, a little subterfuge … and intriguing mysteries to unlock and unwind.” Illustrated by the ever delightful Matt Schu.

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