For fans, like me, looking to fill their “Wicked” obsession, “Elphie,” the fifth book in the Wicked Years series, provides the perfect escape into the world of Oz, with a new look at ...

This book cover image released by William Morrow shows "Elphie: A Wicked Childhood" by Gregory Maguire. (William Morrow via AP) ...

For fans, like me, looking to fill their “Wicked” obsession, “Elphie,” the fifth book in the Wicked Years series, provides the perfect escape into the world of Oz, with a new look at ...