Dark star
Bethany Frenette
"Audrey, the sixteen-year-old daughter of a superhero, must access powers she never knew she had to defend Minneapolis from terrifying demons that have emerged from Beneath"--

by N.D. Wilson (2013)
"Hunted and on the run, Cyrus and Antigone Smith race to find the inheritance left to them by their benefactor, Billy Bones, before rampaging transmortals can descend on Ashtown and free their buried brothers"--
Bethany Frenette
"Audrey, the sixteen-year-old daughter of a superhero, must access powers she never knew she had to defend Minneapolis from terrifying demons that have emerged from Beneath"--
K.L. Armstrong, M.A. Marr
"As Ragnarok--the apocalypse--approaches, the thirteen-year-old descendants of the gods realize they can't take every step of their journey together, as Matt must fight the Midgard Serpent alone, and Fen and Laurie are pulled in different directions"--
Tricia Sullivan
After a confrontation with a martial arts celebrity that threatens her gym's reputation, mixed martial arts fighter Jade is sent to a training camp in Thailand, where she uncovers a shocking, otherworldly conspiracy.
L.H. Maynard, M.P.N. Sims
They have existed since before man walked the earth. They are the Breathers, a species of vampirelike creatures that feed on human souls. They have evolved over the centuries and now are split into two warring factions. Robert Carter and Department 18 are caught in the middle. They are all that stand between the two sides and their unsuspecting prey. Us.