A Beka Book Arithmetic 6 Work-text Answer Key Fourth Edition MISSING PAGE 2021

A Beka Book Arithmetic 6 Work-text Answer Key Fourth Edition MISSING PAGE 2021 Pages 91/92 which appears to be lessons 101-102 introducing the concept of area, are torn out/missing/not included. Some grease stains on cover, some food stains inside book on various pages. Some doodling with markers. Some other doodling / work done in book. Stray pen or pencil marks, circled info, some writing. See photos for best understanding of condition and examples. Cover will also show scuffs, scratches, small dents, wear to surface/edges/corners and near spiral spine.