This Dark Endeavor by Kenneth Oppel is a "prequel" to Mary Shelley's Frankenstein. It is going to be impossible for me to discuss the book independent of its source material, particularly as I just finished rereading and analyzing Frankenstein in preparation for teaching it this fall. It is certainly a testament to Oppel's work that I thoroughly enjoyed it right on the heels of the original novel. Synopsis (from Goodreads): In this prequel to Mary Shelley’s gothic classic, Frankenstein , 16-year-old Victor Frankenstein begins a dark journey that will change his life forever. Victor’s twin, Konrad, has fallen ill, and no doctor is able to cure him. Unwilling to give up on his brother, Victor enlists his beautiful cousin Elizabeth and best friend Henry on a treacherous search for the ingredients to create the forbidden Elixir of Life. Impossible odds, dangerous alchemy and a bitter love triangle threaten their quest at every turn. Victor knows he must not fa...