Looking for BigfootBy: Bonnie Worth Illustrator: Jim Nelson Series: Step into Reading Is Bigfoot (aka Sasquatch) a descendent of the extinct giant ape Gigantopithecus? Or is it a myth turned pop culture phenom that we want to believe is real? In this objectively written graded reader, author Bonnie Worth examines the evidence for and against the existence of the alleged ape, including its role in native North American folklore, famous sightings and notorious hoaxes, Dr.