The Cardlin Twins and the Scarlet Hatchling

The Cardlin twins, Abigail and Jessica, are two Muggle-born first years at Hogwarts. During their year, a dragon egg that was supposed to be used for the Triwizard Tournament is stolen and hidden. Unaware of the events, Jessica finds the egg and the newborn hatchling. With only time on their side, the twins must keep the dragon a secret and discover who tried to dispose of the egg.