Unsolved Mysteries: The Secret Files Library Set List: $101.25 / S&L: $76.05 Library Set Reading Level: 5-8 Interest Level: 5-8 Product type : Library Set ISBN : 978-0-8239-9710-7 Copyright : 2002 Language : English Category : High Interest, Social Studies Pages : 48 Trim : 7 1/8" x 8 1/2" Subject : High Interest, Social Studies Other titles available in Unsolved Mysteries: The Secret Files Atlantis Unsolved Mysteries: The Secret Files Library Bound Book Library Bound Book List: $33.75 / S&L: $25.35 Bigfoot Unsolved Mysteries: The Secret Files Library Bound Book Library Bound Book List: $33.75 / S&L: $25.35 Close Encounters with Aliens Unsolved Mysteries: The Secret Files Library Bound Book Library Bound Book List: $33.75 / S&L: $25.35