W.I.T.C.H. Stone falcon.

"A dangerous criminal Gorgon, the Phantom of Time, has escaped from the prison in Kandrakar. He wants to find the four Fragments of the Shattered Magic Sphere and put them together again. If he succeeds, the fate of the universe will be in his hands. In this book, sorceress friends from the W.I.T.C.H. embark on their first and very dangerous journey through time. Their task is to find the Falcon Fragment before the Gorgon. But when they arrive in another world, it is discovered that the Fragment has already been stolen. Is this the work of the Gorgon? The sorceresses must find the Orb Shard before the magic hourglass runs out of sand. Otherwise, they will not be able to return home and will also turn into Time Wraiths."