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Olivia Sharp, Agent for Secrets #1

The Pizza Monster

marjorie weinman sharmat mitchell sharmat denise brunkus

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“I, Nate the Great, have something to say. My cousin Olivia Sharp is almost (but not quite) the world’s best detective. I solve mysteries. She’s an agent for secrets. You won’t forget Olivia. She won’t let you.”

Olivia sharp is back! Rather than solve mysteries like her cousin Nate, Olivia helps friends with their problems by detecting what’s wrong beneath the surface. You'll be won over by Olivia’s spunk, eccentricities, and can-do spirit.

80 pages, Paperback

First published April 1,1989
Series
Olivia Sharp, Agent for Secrets

This edition

Format
80 pages, Paperback
Published
May 10, 2005 by Yearling
ISBN
9780440420590
ASIN
0440420598
Language
English

More editions

About the author

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marjorie weinman sharmat

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Marjorie Weinman Sharmat was an American children's writer. She wrote more than 130 books for children and teens and her books have been translated into several languages. They have won awards including Book of the Year by the Library of Congress or have become selections by the Literary Guild.
Perhaps Sharmat's most popular work features the child detective Nate the Great. He was inspired by and named after her father, who lived to see the first Nate book published. One story, Nate the Great Goes Undercover, was adapted as a made-for-TV movie that won the Los Angeles International Children's Film Festival Award. Sharmat's husband Mitchell Sharmat expanded Nate's storyline by creating Olivia Sharp, his cousin and fellow detective. Husband and wife wrote four Olivia Sharp books published 1989 to 1991. During the 1990s, their son Craig Sharmat (then in his thirties) wrote three Nate books with his mother. In the late 2010s, their other son Andrew Sharmat co-wrote the last two Nate books written while Marjorie Weinman Sharmat was alive. With Marjorie Weinman Sharmat's passing in 2019 Andrew has continued writing the series with Nate the Great and the Earth Day Robot (2021).
In the mid-1980s Sharmat wrote three books published in 1984 and 1985 under the pseudonym Wendy Andrews.
Sharmat also wrote the Sorority Sisters series, eight short novels published in 1986 and 1987. They are romantic fiction with a sense of humor. They are set in a California public high school (day school for ages 14 to 18, approximately).

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Community Reviews

Rating(4.4 / 5.0, 11 votes)
5 stars
6(55%)
4 stars
3(27%)
3 stars
2(18%)
2 stars
0(0%)
1 stars
0(0%)
11 reviews All reviews
Profile Image for Kimberly .
hidarslan
★ ★ ★ ★ ★
April 17,2025
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Clever and creative, and funny. "Sometimes being rich helps. Sometimes it doesn't." I like that there's a distinction made between being a detective, an agent for secrets, and a spy. I like that nothing is ever as easy as it seems at first, but Olivia persists.

Best if read in order, but not necessary. I wish there were more.

(same review for each)
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NomenHicInserto
★ ★ ★ ★ ★
April 17,2025
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I'm not native, but I can read it easily. It's a simple and cute story so I enjoy reading it.
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sakura_koe
★ ★ ★ ★ ★
April 17,2025
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Olivia Sharp is Nate the Great's cousin and like him, she loves solving mysteries. She even has an entire room in her house dedicated to working on her cases and having hotline phones for clients who need help. Her first client, Duncan, has lost his best friend. Can Olivia help him?

I enjoyed Olivia's process in solving this "mystery" and the lessons she learns through the mistakes she makes. I also liked how the mystery was really about friendship and relating to people.
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OppaidragonB
★ ★ ★ ★ ★
April 17,2025
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An engaging picture book for beginning readers. Mystery component gets them hooked and opens a series of future titles to read. Olivia and Duncan offer great characters for a study in characterization.
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Petepete72
★ ★ ★ ★ ★
April 17,2025
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I did not like this book because I don't really like pizza anymore. I also did not like this book because I do not like boring calls from other people.
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acepepe
★ ★ ★ ★ ★
April 17,2025
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I love this series!!!!!!! Olivia Sharp is the best!!!
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TTst
★ ★ ★ ★ ★
April 17,2025
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I liked this book because it was a mystery of trying to help somebody get back his friend. I also liked this book because all the ideas she tried out was about pizza.
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