There is a new book available for CHMM exam takers:
CHMM EXAM ESSENTIAL PRACTICE SIMPLY AND THOROUGHLY EXPLAINED by Dr. Daniel Farcas CIH, CSP, CHMM
https://www.amazon.com/dp/B08N9BYB7D
The CHMM Exam - Essential Practice by Farcas, Hammond, and Cena is, as the name implies, an essential set...