Clyde Tombaugh: Discoverer of Planet Pluto (Sky & Telescope Observer's Guides)
$8.25
from $4.75
Clyde Tombaugh and the Search for Planet X (Carolrhoda on My Own Book.)
from $6.84
To the Tombaugh Station / Earthman, Go Home!
from $5.58
Clyde Tombaugh: Discoverer of Planet Pluto
from $9.67
Out of the Darkness: The Planet Pluto (Stackpole Classics)
$21.95
from $16.39
Out of the Darkness: The Planet Pluto
from $9.56
Pluto: Diary of an ex-planet: From Clyde Tombaugh to New Horizons; ninth planet to dwarf planet; the icy world at the edge of the Solar System's Kuiper Belt (A Short Guide to the Planets)
from $2.99
Nancy and Larry: A True Story of Love, Adventure, and Happiness
from $8.37
Needle in a Haystack: How Clyde W. Tombaugh Found an Awesome New World
from $15.99
Tombaugh history, 1728-1930,
from $39.95
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