The Isle of Blood (Monstrumologist Series #3)

When Dr. Warthrop goes hunting the "Holy Grail of Monstrumology" with his eager new assistant, Arkwright, he leaves Will Henry in New York. Finally, Will can enjoy something that always seemed out of reach: a normal life with a real family. But part of Will can't let go of Dr. Warthrop, and when Arkwright returns claiming that the doctor is dead, Will is devastated--and not convinced.

Determined to discover the truth, Will travels to London, knowing that if he succeeds, he will be plunging ...