I can tell you that the release date of the latest book, 'Legacies: The Rising Dark,' was October 5, 2021. This book is the third installment in the series by Julie Plec, and it continues the thrilling adventures of Hope Mikaelson and the Salvatore School students. The first book, 'Legacies: The Originals,' came out on October 1, 2019, followed by 'Legacies: The New Blood' on October 6, 2020. The series is a spin-off from 'The Originals' and 'The Vampire Diaries,' so if you're a fan of supernatural dramas, this is a must-read. The books delve deeper into the characters' backstories and expand the universe in ways the TV show couldn't. I highly recommend checking them out if you love supernatural teen dramas with a mix of romance and action.
For those who are new to the series, it's best to start with the first book to fully appreciate the character development and plot twists. The books are written in a way that's accessible to both longtime fans and newcomers. The release dates are spaced about a year apart, so keep an eye out for any announcements about future installments. The series has a dedicated fanbase, and the books have been well-received for their engaging storytelling and rich world-building.