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Publisher's Summary

Helen Cadmus was dead - but how had it happened?

Suicide, most people said. She jumped off that millionaire's yacht in a fit of despair, her body was never found, and the case was closed. The story was too neat to suit Perry Mason. It didn't add up. Somebody was concealing the truth about Helen's death, and how was going to uncover it even if it killed him.

That's how Mason fell into a trap set by three killers - two humans and one grinning gorilla!

©1952 Erle Stanley Gardner. Renewed 1980 by Jean Bethel Gardner. (P)2016 Brilliance Audio, all rights reserved.

What listeners say about The Case of the Grinning Gorilla

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Very Entertaining

What else would you expect in a story about zoo animals living in a home instead of a zoo. When murder occurs in the home, the suspect isn't the gorillas; it's the housekeeper.

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Perry Mason’s very unique case

I’m an Earle Stanley Gardner fan and am enjoying going through the series. This story was one of the more unique plots with some great twists. I like Della Street’s feisty spirit and standing up to Perry to tell him like it is.