If you like Oh.My.Gods by Tera Lynn Childs
Here are three titles I hope you might enjoy- they all involve ancient mythology and modern characters!
The Night Tourist by Katherine Marsh
After fourteen-year-old classics prodigy Jack Perdu has a near fatal accident he meets Euri, a young ghost who introduces him to New York's Underworld, where those who died in New York reside until they are ready to move on, and Jack vows to find his dead mother there.
by Guy Gavriel Kay
When Ned travels to Provence, France, he finds himself embroiled in a love triangle that spans the centuries at great personal expense.
Shadow Thieves by Anne Ursu
After her cousin Zee arrives from England, thirteen-year-old Charlotte and he must set out to save humankind from denizens of the underworld, Nightmares, Death, Pain, and a really nasty guy named Phil.