Reclusive mathematician Aisha Wren has her life planned down to the minute. Her days are organized, predictable, and, above all, safe. But when a series of tarot cards accompanied by deeply personal messages arrive at her doorstep, her regimented life is thrown into chaos.

Unsettled by the invasion of her privacy, Aisha reluctantly reaches out to the only person who might know how to interpret the cards: her estranged sister and popular spiritual Instagram influencer, Lulu.

As the two sisters navigate their strained relationship and work to decode the tarot messages, a childhood tragedy resurfaces. But with the truth wrapped in secrets, Aisha doesn't know who to count on - and something's not adding up.

Mental health meets the esoteric world of tarot in Sisters Arcana, a psychological thriller that explores sisterhood, grief, and the path to self-trust.

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For fans of intense, character-driven suspense like Ruth Ware, Tana French, and Stacy Willingham, Sisters Arcana is a must-read that will keep you hooked from the first page to the last.