DC super hero girls (Lisa Yee)

Supergirl is the new girl in school, and she just also happens to be the most powerful teenager in the galaxy! After losing her home planet of Krypton and everyone she knows, Supergirl has made a new home on Earth, but she's isn't so sure that Super Hero High School is the right place for her. Wonder Woman, other new friends, and a kindly librarian make her feel welcome, but breached inter-dimensional portals, invading alien armies, and bad dreams...

"In addition to training to be a super hero, Katana also follows the noble warrior traditions of the Samurai. Now an unknown source has given her the responsibility of guarding a hundred ancient Samurai swords--but why her, and for what purpose? With the help of Wonder Woman, Supergirl, Ms. Martian, and some of her other super friends, she intends to find out"--

"When the world's honey supply starts to drop and some of her old tech disappears, super student Bumblebee enlists her friends Wonder Woman, Batgirl, Poison Ivy, and Beast Boy to help her find out why"--