What was the Wicked Witch of the Wests main source of power?
. According to author Gregory Maguire [b. June 9, 1954], the Grimmerie was a book of spells. It ended up in the hands of Elphaba Thropp, the Wicked Witch of the West. In the musical of the same name by Stephen Lawrence Schwartz [b. March 6, 1948], Elphaba leaves the book with Glinda the Good Witch.