DC super hero girls. Spaced out : a graphic novel

While studying the Odyssey for Professor Etrigan''s Super Hero High class, these super-powered students embark on a journey where they face off with a cyclops, seek help from a witch, evade sirens, and travel to the underworld! Will they rescue their teacher, escape from the villainous Trigon, and recover Batgirl''s Batplane? Or will their quest be an epic fail?