TOM SWIFT AND HIS HOUSE ON WHEELS

A Trip to the Mountain of Mystery

By VICTOR APPLETON

Author of
"Tom Swift and His Motorcycle,"
"Tom Swift Among the Diamond Makers,"
"Tom Swift and His Talking Pictures,"
"The Don Sturdy Series,"
Etc.

ILLUSTRATED

NEW YORK
GROSSET & DUNLAP
PUBLISHERS

Made in the United States of America