Serena came up after Chas and saw the scene of both of them in the books, Kay sitting in a chair like she belonged there and John pacing around and muttering to himself. Serena smirked and moved over as her shadows handed her a book and she took it. She opened and sat on the ladder, reading through and seeing it was about the tracker ghost. She went on reading, looking up at random points to check on John. 

An hour or two into reading John closed the third book he had tried and rubbed his face. “So wha do we know so far?” Serena looked up and said “well the ghost from last night is a tracker ghost. Used by dark magic to track souls...my guess the demon we faced last night sent it to track Kay down...” 

John nodded, looking shaky on his feet as he turned to Kay and Chas “and I found our demon clan...nothing strange apart from there isn’t much to go on them...at least in the books...I’ve found...” suddenly the light flickered and he looked up, frowning. Serena stood as they heard giggling in the air. John put the book down and muttered “another tracker?” Serena had her shadows at the ready, looking around for the source. “Maybe...or something else...”