The idea that aliens might visit our planet has gripped Earthlings for a long time. Extraterrestrials are popular in science fiction books, movies, and TV shows. UFO hunters of every kind are searching Earth, sky, and space for answers to the question: Are we alone in the galaxy?
This is Book 4 in the Paranormal Handbooks Series. See all Paranormal Handbooks books here.
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Award-winning author Sean McCollum has written more than 30 nonfiction books and hundreds of articles for children and teens. Currently living in the United States Virgin Islands in the Caribbean Sea, he has sailed on ships big and small, and always checks where the lifeboats are stowed.
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