Critics and fans praise the book for finally answering long-standing questions about the Maze's construction and the characters' pasts. Many found it heart-wrenching to watch the children manipulated into their own terrorization.
Thomas and other "immunes," including Teresa, Newt, and Minho, are raised in a sterile, clinical environment where they undergo rigorous psychological and physical testing.
The novel reveals that Teresa entered the Maze with her memories intact, adding a layer of complexity (and controversy) to her actions throughout the original trilogy.
