If you're interested in reading a review or summary of "Keeper of the Lost Cities," I recommend checking out book blogs, Goodreads, or Amazon. You can also try searching for a preview or excerpt of the book on the publisher's website or online bookstores.

Here's a brief flashback review of the book:

"Keeper of the Lost Cities" is a young adult fantasy novel written by Shannon Messenger. The story follows Sophie, a 12-year-old girl who discovers she is not an ordinary human, but a Neverseen, a magical being with extraordinary abilities.