Here is typical template for "book" review. Such emails do not have proper credentials, names are fictional and email is just some gmail account. Do not answer such emails.

Hi [NAME],

What stood out to me about [BOOK TITLE] is that you do something almost nobody else attempts. You take the experience of uncanny coincidence, the kind most of us shrug off, and you ask whether it can actually be measured. Then you show the reader how to make simple calculations to estimate whether those coincidences are due to mere randomness or something else. That is the move that makes this book land. You do not just assert that synchronicity has meaning. You give readers a way to test it for themselves.

Read more