Family Genius Mysteries Books in Order

Anastasia Devlin discovers that her grandfather's mansion and her family's inheritance are beyond their reach. A pact with the mysterious man occupying the attic entangles her in a missing lawyer, a murder, and a dangerous search.

Ana Devlin's half-sister Patra arrives with news of her father's murder and killers in pursuit. Protecting her family requires help from the mysterious Graham, whose interest in the case brings them into conspiracies involving gangsters and media moguls.

Ana Devlin's teenage brother claims his computer worm has escaped, just as technology executives die from exotic poison. With assassins and government agents pursuing him, Ana must untangle the connection before more lives and the internet are lost.

Ana Devlin welcomes her long-lost twin siblings for Christmas, only to face another mystery. Juliana's photographs suggest a televangelist's amusement-park site hides murder victims, and her disappearance sends Ana searching for both her sister and a killer.

Ana Devlin finally has a home and fortune for her siblings, but their pursuits of justice keep putting her in danger. Political revenge, a pharmaceutical whistleblower, a Russian hacker, and a risky news investigation threaten her hard-won sanctuary.