Two thrilling volumes of Class: The Audio Adventures are due for release later this month and now details of the new stories and cast can be revealed.

Based on the television series created by Patrick Ness, these full-cast audio stories cover lots of new ground for the classmates of Coal Hill Academy, including threats from English folklore, a haunted house, and even a high school rom-com (of sorts).

Class volumes three and four are available for pre-order now at £19.99 each as a limited edition CD box set (only 1,000 will be pressed of each volume) or £16.99 each on download here. Both volumes will remain at this price until general release when they will be available for £24.99 on CD or £19.99 on download.

Volume three contains three stories, as follows:

The Soers’ Ditch by Carl Rowens

After a disastrous double date night, Charlie, April, Ram and Matteusz find themselves transported to another level of reality. Can they survive the Soers' ritualistic traditions? And more importantly, can they save their friendships?

Catfish by Kate Thorman

When a new student transfers to Coal Hill Academy, everyone goes out of their way to make him feel welcome, and Tanya is especially surprised by how much they have in common. Will she sacrifice best friends for her very first boyfriend?

Sweet Nothings by Michael Dennis

Living on Earth isn't easy when you're used to life as an alien freedom fighter. For Quill, it's a lonely existence –until she meets a Man outside Coal Hill Academy: the Man who can offer her everything she misses from her past... and more.

Volume four also contains three stories:

Mock by Alfie Shaw

As the students of Coal Hill Academy prepare to tackle exam season, Quill and Charlie find themselves tested to their limits. Childhood memories from their homeworld threaten to hijack the present –and there are no easy answers.

The Creeper by Lizzie Hopley

While the pupils of Coal Hill Academy celebrate Hallowe'en, Quill and Matteusz investigate an alien distress call emanating from a boarded-up house in Shoreditch. Can April and Charlie reach them before it's too late? And what is the ‘Creeper’ inside?

Queen of Rhodia by Blair Mowat

Quill wakes to find herself unexpectedly back on Rhodia –which is impossible –though not quite as impossible as the life that waits for her there. To save her future, Quill must turn her back on the past. But is this the end or a new beginning?

Alongside the series regulars, Greg Austin (Charlie Smith), Sophie Hopkins (April MacLean) and Fady Elsayed  (Ram Singh), two new faces are joining the cast.

Dervla Kirwan, familiar to many as the star of TV series Ballykissangel and Goodnight Sweetheart, takes over from Katherine Kelly in the role of witty alien exile, Miss Quill. And Joanna McGibbon steps into the shoes of Vivian Oparah as student prodigy, Tanya Adeola.

Producer Scott Handcock said: “Recasting’s a tricky process because people become familiar with a particular actor, and you don’t want to ask a performer to actively imitate what came before as that can often prove more distracting. But Dervla Kirwan’s Miss Quill is just as sarcastic and scathing as Katherine Kelly was on screen, and she embraced the character and backstory instantly: she’s got some really strong material in these stories."

“Similarly, Joanna McGibbon came to Tanya Adeola relatively fresh, reacting to what was written on the page, and it instantly feels like she’s been living with the rest of the cast for years."

Class Volumes Three and Four are available for pre-order now at £19.99 each as a limited edition CD box set (only 1,000 will be pressed of each volume) or £16.99 each on download here. Both volumes will remain at this price until general release when they will be available for £24.99 on CD or £19.99 on download.

Class:The Audio Adventures can also be purchased as a bundle together at the price of £38 as a limited edition CD and £28 on download click here to get the bundle. All CD purchases from the Big Finish website unlock a download exclusive from the Big Finish website and app.

Please note that Big Finish is currently operating a digital-first release schedule. The mailout of collector’s edition CDs will be delayed, but all purchases of this release unlock a digital copy that can be immediately downloaded or played on the Big Finish app from the release date.