Book Series · 4 Books

Olivia Sharp: Agent for Secrets Books

In order from The Pizza Monster to The Green Toenails Gang.

The Olivia Sharp: Agent for Secrets series is a set of 4 chapter books by Mitchell Sharmat and Marjorie Weinman Sharmat, published between 1989 and 1991. Written for ages 8–12, most books run about 80 pages.

The Princess of the Fillmore Street School

Where the story begins

First Book in the Series

Sale price

$574

Book #1 · Chapter Book · Ages 8–12 · 1989

The Pizza Monster

By Mitchell Sharmat, Marjorie Weinman Sharmat, Denise Brunkus (Illustrator)

A young detective uncovers hidden truths to help friends solve their problems.

80 pages· 2,725 words· Est. 23 min read

$5.99Save 4%

Paperback

In reading order

Olivia Sharp: Agent for Secrets Series

4 books · Published 1989–1991

#1 in Series

Sale price

$574

The Pizza Monster

Chapter Book · Ages 8–12 · 1989

A young detective uncovers hidden truths to help friends solve their problems.

#2 in Series

Sale price

$674

The Princess of the Fillmore Street School

Chapter Book · Ages 8–12 · 1989

An agent for secrets uncovers hidden truths to help friends in need.

#3 in Series

Sale price

$674

The Sly Spy

Chapter Book · Ages 8–12 · 1990

Olivia Sharp uncovers hidden truths to solve her friends' problems.

#4 in Series

Sale price

$674

The Green Toenails Gang

Chapter Book · Ages 8–12 · 1991

A young detective uncovers hidden truths to solve her friends' problems.

Good to know

Common Questions

How many books are in the Olivia Sharp: Agent for Secrets series?

There are 4 books in the Olivia Sharp: Agent for Secrets series. It began with The Pizza Monster in 1989, and the newest book, The Green Toenails Gang, was published in 1991.