Michael Abramczyk Technology Integration Specialist Ridgeland Public School District 122 Oak Lawn, IL Karen Alley Keyboarding & Computer Tech Teacher White Station Middle School, Shelby County Schools Memphis, TN Robert R. Becker Network Engineer Gary Community School Corp. Gary, IN Jared P. Bitting, DTE Technology & Engineering Educator, Department Chair Fleetwood Area Middle School Fleetwood, PA Leanna M. Blandford Technology and Engineering Educator Marley Middle School Glen Burnie, MD Nancy Brandon Business, IT & Marketing Teacher Colonial Forge High School Stafford, VA J.B. Browning Dept. Chair Brunswick C.C. Supply, NC Leslie B. Buxton STEM and Science Teacher Middle School 180, Dr. Daniel Hale Williams School of the Arts The Bronx, NY Travis Dalton Lecturer Columbia College Columbia, SC Susan D’Amato Business & Computer Business & Computer Teacher North End Middle School Waterbury, CT Dana T. Dingell CTE Dept. Chair/Business & Marketing Teacher James Madison High School Vienna, VA Marianne Farina Business & Information Tech. Education Teacher/CTE Dept. Chair Apex Middle School Apex, NC Colleen Federman Business Education Teacher Martinez Middle School Lutz, FL Jillian Forcht Computer Education Teacher Eastlake Middle School Eastlake, OH Kenneth L. Franklin Computer Repair Instructor J. Everett Light Career Center Indianapolis, IN Lori Gratch Computer Science Teacher Collingswood High School Collingswood, NJ Michelle Isenhower Business Education Business Education Teacher Chapin Intermediate School & Chapin Middle School Chapin, SC Tonya Lackey K–12 Technology/STEM Educator Westport Central School Westport, NY James Lebo Computer Applications Teacher Southern Middle School Glen Rock, PA Sherry McAllister Business/Inf. Tech Teacher Marion County High School Buena Vista, GA Teri Mitchell Career and Technical Instructor Huntsville City Schools Huntsville, AL Jennifer Piggott Technology Instructor/ Girls Who Code Club Sponsor Erie Middle School Erie, CO Pam Rissmann STEM/Computer Science Teacher Dartmouth Middle School San Jose, CA Chuck Routhiererhiut Chuck Ro Teacher Sugg Middle School Bradenton, FL Moses Seenarine Computer Teacher Hawthorne School Hawthorne, CA Amy Statler Educator Roxboro Middle School, Cleveland Heights- University Heights SD Cleveland Heights, OH Zada Wicker Chair Health Sciences Brunswick Community College Supply, NC Justin Yantho Department Head of Technological Education St. Thomas Aquinas Catholic Secondary School Oakville, ON Canada Reviewers Goodheart-Willcox Publisher would like to thank the following teachers and administrators who reviewed selected chapters and contributed valuable input to this edition of Introduction to Computer Science: Coding. iv