Uncle John's Facts to Go: Mad Science (Uncle John's Facts to Go Series Book 3)

Name: Uncle John's Facts to Go: Mad Science (Uncle John's Facts to Go Series Book 3)
Price: 1.99 USD
Availability: InStock
Rating: 4.2 (36 reviews)
Author: Portable Press

by Portable Press

Nonfiction

4.2 (36)

$1.99KU88% off peak

Last checked: May 9, 2026

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Price history: $1.99 – $15.99

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Price range: $1.99 – $15.99

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Perfect for you if...

You enjoy quirky science trivia and want something bite-sized to dip in and out of throughout your day.
You like your facts delivered with humour and personality, not dry textbook language.
You're curious about the weird stories behind famous discoveries and eccentric scientists who changed the world.

Maybe not for you if...

You prefer deep dives into single topics rather than scattered short pieces across many subjects.
You want a narrative arc or story structure, not disconnected factoids and anecdotes.
You're looking for rigorous scientific depth or academic credibility.

About this book

Uncle John's Facts to Go: Mad Science is the third book in the Uncle John's Facts to Go series. It collects science facts covering rocket ships, death rays, atoms, experiments, and notable scientists. The book presents stories about major discoveries, accidental inventions, and unusual scientific studies. It includes Uncle John's science articles along with new experiments, organized around topics such as Tesla's death ray machine, methods for reanimating the dead, interstellar travel, the origins of the microwave oven and Silly Putty, Albert Einstein's life, nuclear fission, unconventional research studies like pigeons' ability to distinguish between Monet and Picasso paintings, and space toilets.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$1.99 – $15.99

Currently on sale at $1.99 — 88% off peak. Price has dropped 30 times over the last 6 years. Goes on sale roughly every 40 days. Typically stays discounted for 1033 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #217K in the Kindle store — a niche title. Climbing the charts — 45% improvement recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.2★ from 36 reviews

Review activity has been quiet recently. Rating has remained stable at 4.2 over the tracking period.

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Actual Predicted

This book is currently discounted at $1.99. It typically returns to around $15.99.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.