Review of Renaissance Secrets: A Lifetime Working with Wall Paintings by Michelangelo, Raphael, and Others at the Vatican by Maurizio De Luca and Jason Cardone. Getty Conservation Institute, February 2023. 140 p. ill. ISBN 978-1-60606-799-4 (pbk.), $35.00. https://shop.getty.edu/products/renaissance-secrets-a-lifetime-working-with-wall-paintings-by-michelangelo-raphael-and-others-at-the-vatican-978-1606067994. Reviewed March 2023 by Stephanie B. Fletcher, Head of Discovery, Metadata, and Technical Services, Illinois Institute of Technology, sfletcher@iit.edu.