Athena The Wise is the fifth book in the Goddess Girls (Series), it was published on April 5th, 2011.
When a new mortal named Hercules transfers to MOA, Athena understands what he's going through. She'd started only a few months ago herself! But not only does Hercules need help fitting in, he needs to complete 12 "Labors" or be kicked out of the academy! When Athena's dad, Zeus, asks her to sercretly look after the boy, she winds up catching magical beasts, shoveling poop and feeling something special between them. It will take all of her famed wisdom to sort out her own problems and help Hercules succeed!