Tim Firth is set to write the screenplay of the Ahmet Zappa children's book, The Monstrous Memoirs of a Mighty McFearless for Jerry Bruckheimer Films and Walt Disney Pictures.

The film centers around a young brother and sister who learn their family is part of a long line of monster hunters, reports Variety. Despite their constant squabbling, the pair must band together against the most diabolical creature in the universe.

No production schedule has been set for The Monstrous Memoirs of a Mighty McFearless.