TY - BOOK AU - Sacher,Louise TI - Marvin Redpost: is he a girl? PY - 2015/// ©1993 CY - New York : PB - Random House, KW - Sex role -. (Psychology) -- Juvenile fiction. Schools -- Juvenile fiction. N1 - Juvenile N2 - After Casey Happleton tells him that if he kisses his elbow he will turn into a girl, nine-year-old Marvin experiments and finds himself very confused about his identity ER -