Sideways Arithmetic From Wayside School by Louis Sachar – Vintage Paperback Vintage Sideways Arithmetic From Wayside School by Louis Sachar. Apple Paperbacks/Scholastic edition featuring more than 50 math puzzles and brainteasers with the kids from Wayside School. Paperback. ISBN 0-590-42416-5. Preowned vintage condition with some cover/edge wear, creasing and signs of age as pictured. #LouisSachar #WaysideSchool #SidewaysArithmetic #VintageBook #VintageBooks