Lonely __, Travel Guide Series of Books
Puzzle 19 of New Orleans Medium Pack
Question is: Lonely __, Travel Guide Series of Books
and the answer is: PLANET
Word Meaning:
PLANET — (now historical or astrology) Each of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
Definitions from Wiktionary.