The Masked Monkey was created in 1972.
The Masked Monkey has 178 pages.
The clue that helped the Hardy Boys in "The Masked Monkey" was a unique piece of music that only a select few people knew about. This music played a key role in helping them solve the mystery surrounding the masked monkey.
Masked Tanager was created in 1838.
Masked corydoras was created in 1914.
The Masked Troubadour was created in 1936.
Masked Trogon was created in 1842.
Masked Raider was created in 1939.
Masked Marauder was created in 1966.
Masked Booby was created in 1831.
The Masked Marauders was created in 1969.
I Advance Masked was created in 1919-09.
Lesser Masked Weaver was created in 1845.