There are 6 books in the The Spellmans series. The newest book is Spellman Six .

From the award-winning author of The Passenger comes the first novel in the hilarious Spellman Files mystery series featuring Isabel “Izzy” Spellman (part Nancy Drew, part Dirty Harry) and her highly functioning yet supremely dysfunctional family of private investigators.

Meet Isabel “Izzy” Spellman, private investigator. This twenty-eight-year-old may have a…
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3
Revenge of the Spellmans

Book cover of Revenge of the Spellmans
A third installment in a series that began with The Spellman Files and Curse of the Spellmans finds Isabel pursuing therapy while trailing her newest client's errant wife, Rae facing skyrocketing expectations in light of her high SAT score, and Henry disrupting the family with a new love interest.

4
The Spellmans Strike Again

Book cover of The Spellmans Strike Again
At the ripe old age of thirty-two, former wild child Isabel "Izzy" Spellman has finally agreed to take over the family detective business. The transition won't be smooth.

First among her priorities as head of Spellman Investigations is to dig up some dirt on the competition, slippery ex-cop Rick Harkey.…

5
Trail of the Spellmans

Book cover of Trail of the Spellmans
The fifth installment in the New York Times bestselling series by Lisa Lutz, featuring the fearless private investigator Izzy Spellman and her quirky, yet endearing, family of sleuths.

For the first time in Spellman history, Isabel Spellman might be the most normal member of her family. Mom has taken on…