There are 6 books in the The Truman and Celeste Books series. The newest book is Cryptic Paisley which came out in 2021.

1
The Margarita Solution

Book cover of The Margarita Solution
Sometimes all a woman needs is a decent man—even if she’s not sleeping with him. For Celeste, her longtime friend Truman fills some of the gaps, leaving her the luxury of being choosier in her romantic pursuits. Truman has his own issues chasing guys, in his perpetual quest for the…
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Never one to let a bully get away with harassing someone, Celeste intervenes with a knockout punch, and in the melee Truman winds up in possession of the bully’s cell phone. Through Truman’s inventive online stalking and Celeste tracking down the victim, they uncover a seedy nest of grifters bent…

3
When the Contralto Sings

Book cover of When the Contralto Sings
When Celeste runs into Angel, one of the city’s growing homeless population, in front of Truman’s building, she invites them to a street festival in Gladys Park. Angel proves to be a talented contralto at the event, and Truman meets Dyson, an outreach worker who hires him to track down…

4
Stalking the Scratch Man

Book cover of Stalking the Scratch Man
Hired to figure out whether his client’s husband, Ray, has been sleepwalking or just faking it, Truman pulls his best friend, Celeste, into the mystery. The duo digs deep—rifling medical files, running late-night stakeouts, stalking witnesses in bars—to find there’s more to it than Ray’s secretive trips to Chinatown and…

5
The Tenacious Goldbrick

Book cover of The Tenacious Goldbrick
When a stranger jumps into Celeste’s car and begs her to help him escape his pursuer, she decides to help him out. Drawn into the mystery, Truman tries to help Rolán recover some compromising evidence that his former boss, Davo, is using to blackmail him. Davo turns out to be…
When gallerist Celeste meets an old friend at an art show, the artist explains that someone has jacked one of her fashion designs, and soon Celeste’s bestie, Truman, is on the case, diving headlong into LA’s fashion industry to investigate. Truman and Celeste soon get entangled with a hinky company…