Kenna Mckinnon 
Bigfoot Boy [EPUB ebook] 
Lost On Earth

After a middle school field trip to Earth, Bigfoot youngster Errl is wandering in the forest, lost. While waiting for his friends to return, he falls in love with a golden-haired beauty.
Errl also meets other humans on his journey. Some of them seem nice, while others carry dangerous guns. Life is scary for a young Bigfoot on the run.