Harry Potter and the Cursed Child, Parts 1 and 2, which opened in London July 30, was released in book form July 31 by Scholastic, publisher of the original seven Harry Potter novels.
The script immediately shot to No. 1 on Amazon.com's best seller list and appears to be on its way to becoming the biggest-selling play in modern times. But what did book critics think of it?
The critics are filing their reviews. Playbill.com is collecting them for our readers and will continue to update this list as the latest ones come in.