REM World is a fantasy/science fiction novel by Rodman Philbrick about a boy who orders a device that will help him lose weight, and when using it he enters a world where he will not only lose weight, but go on the biggest adventure he'll ever go on. This is probably the first book where the protagonist has no disability. Other books made by Rodman Philbrick are Freak the Mighty, Max the Mighty, and The Last Book in the Universe. The title comes from the 4th stage of sleep (a.k.a Rapid Eye Movement).