This is children's fiction (8-12 YRS). Tammas and Tulya Peesterleetie have three children; the troublesome twins Tivla and Fivla and their elder sister Trippa.
After a disastrous bulwand flying lesson with their Da, Tivla and Fivla embark on a life threatening adventure as they try to put things right.
Threatened by the curse of the njuggle, the boys depend on Trippa for help.
Trippa leads them to Shetland's most reputed wizard, Luggie.
He claims the curse has never been reversed before. Can Luggie save them?