These are images of characters in the first book of the series due to be release in 24 days.
The dilapidated apartment is typical all what Ana can afford.
The winged black angel is Bea’s guardian angel
The neon green forest is when a portal opens nearby them
The demon lion is another form of Azazel.
The man looking over an blacken out object is someone sent to spy on Ana
The man with his face on his hands is someone the grand wizard Nikola hexed for displeasing him.
The woman with the harpy in the form of butterfly following her is Ana and so is the red head roaming the time line.
The dog is not a dog as we know a dog to be; it’s a hellhound.
The bug looking demon is a nephilim.
The other pictures explains the battle between good and evil.