This fan art will self-destruct! ... Possibly

This drawing and note comes in from Agent Tex:

Mr. Pseudonymous Bosch,
Yesterday after buying the fifth installment of the Secret Series and reading for much longer than I should have, I sketched this up.
Cassandra gets suspicious after hearing footsteps in the dark. Hmm, what's that behind her?
Oh, did I say Cassandra? I meant... Uh, no one! Why would I draw a character so dangerously close to the secret? I wouldn't!
I think this is the perfect time for me to make my Read More...