Tim Firth has been hired by Walt Disney Pictures to adapt Ahmet Zappa's kids' book
The Monstrous Memoirs of a Mighty McFearless, says Variety.
The story follows a young brother and sister who learn their family is part of a long line of monster hunters. Despite their constant squabbling, the pair must band together against the most diabolical creature in the universe.
The movie will be produced by Jerry Bruckheimer.