It's narrated by Dan Fogler (who plays the No-Maj Jacob Kowalski in the movies).
Here's the publishers summary:
Available only in audio, Fantastic Beasts: The Crimes of Grindelwald - Makers, Mysteries and Magic lifts the lid on the moviemaking secrets behind the latest installment in J.K. Rowling's Fantastic Beasts series. Narrator Dan Fogler (who plays No-Maj Jacob Kowalski) will guide you through the process of creating the magical on-screen world and explore the story, themes, and characters of Fantastic Beasts: The Crimes of Grindelwald.
Over 100 hours of interviews with the cast and crew have been used to create this unique audio adventure that’s sure to be loved by fans of filmmaking and the Wizarding World. Across its nine chapters, you will explore themes such as what’s next for Newt Scamander, whether we’ve seen every side of Albus Dumbledore, what makes Dark wizard Gellert Grindelwald so dangerous, and what connects the worlds of Harry Potter and Fantastic Beasts.
With unrivalled access to the film’s cast, directors, producers, and makers, hear what it takes to build 1927 Paris on a lot just outside London, discover what influenced the design of the Elder Wand, meet the individuals who constructed iconic wizarding world locations including Hogwarts’ Defence Against the Dark Arts classroom - and mastered the craft and artistry required to fill it with authenticity and excitement.
With contributions from actors including Eddie Redmayne (Newt Scamander), Jude Law (Albus Dumbledore), Katherine Waterston (Tina Goldstein), and Alison Sudol (Queenie Goldstein) as well as director David Yates and producer David Heyman.
Give your eyes a rest and your ears a treat. Take a trip behind the scenes of the Wizarding World like never before.
Produced by Pottermore Publishing and Audible Originals.