Book Series · 2 Books

Doktor Proktor Books

In order from Doctor Proctor's Fart Powder to Bubble in the Bathtub.

The Doktor Proktor series is a set of 2 chapter books by Jo Nesbo, published between 2007 and 2008. Written for ages 7–12, most books run about 430 pages.

Where the story begins

First Book in the Series

Sale price

$1697

Book #1 · Chapter Book · Ages 7–11 · 2007

Doctor Proctor's Fart Powder

By Jo Nesbo, Tara F. Chace (Translator), Mike Lowery (Illustrator)

A fart powder sends kids soaring, but can they keep it safe from evil hands?

265 pages· 33,783 words· Est. 4.5 hour read

$17.99Save 6%

Hardcover

Summary: New kid Nilly teams up with quirky Doctor Proctor and clever Lisa to create a fart powder that makes them school heroes. But when an industrial-strength version threatens to fall into the wrong hands, they must protect it from neighbors with sinister plans. Can they keep the explosive secret safe, or will it launch them into unexpected trouble? Join this hilarious adventure filled with mischief, magic, and a dash of danger.

Ages 7–10Junior Chapter Book Club

Love Doktor Proktor? Keep them reading.

Two hardcover chapter books a month for readers ready for longer stories, with coordinated spines for a beautiful shelf.

See the Junior Chapter Book ClubFrom $21.95 a box

Books from the Junior Chapter Book Club in a Bookroo box

In reading order

Doktor Proktor Series

2 books · Published 2007–2008

#1 in Series

Sale price

$1697

Doctor Proctor's Fart Powder

Chapter Book · Ages 7–11 · 2007

A fart powder sends kids soaring, but can they keep it safe from evil hands?

#2 in Series

Sale price

$1697

Bubble in the Bathtub

Chapter Book · Ages 8–12 · 2008

A time-traveling bathtub sends two kids into history to fix an old heartbreak.

Good to know

Common Questions

How many books are in the Doktor Proktor series?

There are 2 books in the Doktor Proktor series. It began with Doctor Proctor's Fart Powder in 2007, and the newest book, Bubble in the Bathtub, was published in 2008.