The Robert Galbraith novel series, which is actually penned by J.K. Rowling under this pseudonym, currently has six books. The series follows the adventures of private detective Cormoran Strike and his partner Robin Ellacott. The first book, 'The Cuckoo’s Calling,' was published in 2013 and introduced readers to the gritty, complex world of Strike’s investigations. It was followed by 'The Silkworm' in 2014, 'Career of Evil' in 2015, 'Lethal White' in 2018, 'Troubled Blood' in 2020, and the latest installment, 'The Ink Black Heart,' in 2022.
Each book delves deeper into the personal lives of Strike and Robin while unraveling intricate, often dark mysteries. The series has gained a massive following, not just for its compelling plots but also for the evolving relationship between the two main characters. Fans eagerly await the next book, as Rowling has hinted at more to come in this gripping series.