Judith Horstman

There is no information provided about the author Doug Lemov in the given documents.

The documents contain only the book title and author name, along with reader reviews of the book.

Without additional details about the author's background, qualifications, or other works, it is not possible to provide a summary about Doug Lemov based on the given information.

The lack of author information in the provided documents limits the ability to create a meaningful 100-word summary about the author as requested.