Acid Yellow, by Dominic Piper, is a thriller novel published in 2024. It is the fourth book in the PI Daniel Beckett Series.

The story revolves around private investigator Daniel Beckett as he investigates the murder of a renowned pianist, Kiaraa Jeong. Kiaraa was kidnapped and subsequently found dead two years prior to Beckett's involvement. He is hired by the victim's sister, Micha Jeong, to uncover the truth behind her death.

Beckett's investigation takes him deep into Kiaraa's life, exploring her relationships with various individuals, including a secret lover and a security director. He navigates a web of secrets, uncovering hidden affairs, and facing dangerous confrontations. As Beckett uncovers more evidence, he realizes that the case is far more complex than he initially thought, leading him to confront a shoc ...