The Secret of the Ninth Planet by Donald A. Wollheim

"The Secret of the Ninth Planet" by Donald A. Wollheim is a science-fiction novel published in 1959. When the Sun's light mysteriously begins to dim across Earth, threatening a new ice age, young Burl Denning discovers alien machinery in the Peruvian Andes. As calculations reveal the Sun may explode within years, Burl joins a desperate expedition aboard an experimental antigravity spaceship to hunt down similar installations throughout the solar system and confront an alien force from Pluto. (This is an automatically generated summary.)

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About this eBook

Author Wollheim, Donald A., 1914-1990
Title The Secret of the Ninth Planet
Note Wikipedia page about this book: en.wikipedia.org/wiki/The_Secret_of_the_Ninth_Planet
Credits Produced by Greg Weeks, Roger L. Holda, Mary Meehan and
the Online Distributed Proofreading Team at
www.pgdp.net
Reading Level Reading ease score: 73.8 (7th grade). Fairly easy to read.
Language English
LoC Class PS: Language and Literatures: American and Canadian literature
Subject Science fiction
Subject Pluto (Dwarf planet) -- Fiction
Category Text
EBook-No. 33644
Release Date
Most Recently Updated Apr 30, 2011
Copyright Status Public domain in the USA.
Downloads 1309 downloads in the last 30 days.
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