Dc Superhero Girls Adventures of sisters and the dogs BOOK 1

At Superhero High are two best friends who are partners and act like sisters both named Batgirl and Supergirl.Two dogs who are pets to them Ace and Krypto both are like brothers (even though Ace thinks Krypto a shame to their kind).But Batgirl loses something in her life very important to her.

Her Father (Commissioner Gorden).

They then embark on a journey through land air and sea and along the way they discover an ancient secret of batgirl that no one knows not even batgirl.