Philo Vance is a 12-book series with 12 released primary works first released in 1926 with contributions by S.S. Van Dine and Willard Huntington Wright.
#2 of 12 in Philo Vance
1927 • 2 Readers • 271 pages • 3
#3 of 12 in Philo Vance
1928 • 2 Readers • 250 pages
#4 of 12 in Philo Vance
1928 • 4 Readers • 250 pages • 3
#12 of 12 in Philo Vance
1939 • 2 Readers • 174 pages • 2.5