Hide and seek

These fast-paced teen chick lit series include backstabbing friends, pop culture references, and plenty of secrets, though Lying Game has more mystery than Gossip Girl. -- Alina Gerall

Though only the Lying Game series contains a ghostly twist, both of these fast-paced teen chick lit mystery series include back-stabbing friends, pop culture references, and plenty of secrets. -- Alina Gerall

Sisters who solve mysteries and successfully navigate family secrets are at the heart of these two series. The heroines of these fast-paced books navigate backstabbing friends, clique wars, and dangerous romance. The Lying Game books also include a ghostly twist. -- Alina Gerall

Mystery fans who are drawn to a balance between murder and high school drama will find much to love in these two suspenseful series, which also contain a hint of the paranormal. -- Alina Gerall

Supernaturally close sisters cross the lines between life and death in these two ghostly mystery series. Both of these compelling series deftly blend high school drama with creepy paranormal intrigue. -- Alina Gerall

These series have the appeal factors suspenseful and fast-paced, and they have the theme "beyond the grave"; and the subjects "teenage ghosts" and "teenage girls."

These series have the appeal factors suspenseful and fast-paced, and they have the theme "beyond the grave"; and the subjects "teenage ghosts," "teenage girls," and "teenagers and ghosts."

These series have the theme "beyond the grave"; the genre "paranormal fiction"; and the subjects "teenage ghosts," "paxton, emma (fictitious character)," and "mercer, sutton (fictitious character)."

These series have the appeal factors suspenseful, action-packed, and fast-paced, and they have the theme "beyond the grave"; the genre "supernatural mysteries"; and the subjects "teenage ghosts" and "ghosts."

These series have the appeal factors suspenseful and fast-paced, and they have the genre "paranormal fiction"; and the subjects "teenage ghosts," "teenage girls," and "missing persons."

These series have the appeal factors suspenseful and fast-paced, and they have the theme "beyond the grave"; and the subjects "teenage ghosts," "twin sisters," and "teenage girls."

These series have the appeal factors suspenseful, and they have the theme "beyond the grave"; and the subjects "teenage ghosts," "paxton, emma (fictitious character)," and "mercer, sutton (fictitious character)."

These series have the theme "beyond the grave"; and the subjects "murder victims" and "teenage girls."

These series have the appeal factors suspenseful and fast-paced, and they have the subjects "teenage girls" and "ghosts."

These series have the appeal factors suspenseful and fast-paced, and they have the genre "paranormal fiction"; and the subjects "teenage ghosts," "twin sisters," and "identical twins."

These series have the appeal factors suspenseful, and they have the genre "paranormal fiction"; and the subjects "murder victims," "teenage ghosts," and "teenage girls."

These authors' works have the subjects "high school juniors," "grief," and "family problems."