J.K. Rowling releasing four-part prologue to Harry Potter spin-off Fantastic Beasts

Magic in North America will debut on Pottermore throughout the week

(Pottermore)

Author J.K. Rowling has written a four-part introduction to the world presented in Harry Potter spin-off Fantastic Beasts and Where to Find Them, the adaptation of which will be released in cinemas this November.

The collection is designed to preview a new place and time within her wizarding world, enlightening readers about "a previously unexplored corner" of the universe.

The first installment, titled Magic in North America, was announced yesterday (7 March) alongside a specially produced video explaining the purpose of the new works.

The writing - as well as the video - will be unveiled in the UK on Pottermore over four consecutive days, the first arriving today at 2 PM.

Fantastic Beasts and Where to Find Them will star Eddie Redmayne as Newt Scamander, a 'magizoologist' who accidentally unleashes a suitcase of magical beasts in 1920s New York.

Samantha Morton, Colin Farrell and Ron Perlman will all star in the film released 18 November which Rowling recently confirmed will be a trilogy.