Calendar Mysteries Book Series. Calendar mysteries i 12 books for fans of the a to z mysteries, this series features dink's young cousin (lucy), josh's younger brothers (brian and bradley), and ruth rose's younger brother. Browse our complete guide to all 13 calendar mysteries books in order (from the series written by ron roy).

Featuring the younger siblings of roy’s a to z mysteries, this series is gentle enough not to. If you like mysteries, jokes, and clues, these books are for you!