6 books in series
Masao Masuto
Masao Masuto is a 6-book series with 6 released primary works first released in 1967 with contributions by E.V. Cunningham.
| #1 |  The Case of the Angry Actress The Case of the Angry Actress
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| #2 |  The Case of the One-Penny Orange
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| #4 |  The Case of the Poisoned Eclairs
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| #5 |  The Case of the Sliding Pool
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| #6 |  The Case of the Kidnapped Angel
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| #7 |  The Case of the Murdered MacKenzie
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