Murder Madness by Murray Leinster is a classic mystery novel that keeps readers on the edge of their seats from beginning to end. The story follows the protagonist as he tries to unravel a series of murders that are seemingly random but are actually connected in a clever and surprising way.

The character development is strong, with each character having their own motivations and secrets that add depth to the plot. The writing is engaging and keeps the reader guessing until the very last page.

Leinster's ability to create a sense of tension and suspense is exceptional, making it hard to put the book down. The pacing is fast, with twists and turns that keep the plot moving at a thrilling pace.

Overall, Murder Madness is a gripping mystery novel that will appeal to fans of the genre. It's a well-crafted story that will keep readers guessing until the very end.

Book Description:
Murder Madness! Seven Secret Service men had completely disappeared. Another had been found a screaming, homicidal maniac, whose fingers writhed like snakes. So Bell, of the secret "Trade," plunges into South America after The Master--the mighty, unknown octopus of power whose diabolical poison threatens a continent!