- Jordan Spieth, golf star, by Marty Gitlin
- Postwar America, Martin Gitlin
- Cyber attack, Martin Gitlin and Margaret J. Goldstein
- Giovanni da Verrazzano, explorer of the Atlantic Coast of North America, Martin Gitlin
- The best tennis players of all time, by Marty Gitlin
- Arkansas, Martin Gitlin
- George S. Patton, World War II general & military innovator, Martin Gitlin ; Charles Michael Province, Content consultant, founder, George S. Patton Jr. Historical Society
- Tarantulas, Marty Gitlin
- Olympic swimming and diving legends, by Martin Gitlin
- Japan, by Marty Gitlin
- Adrian Peterson, record-setting running back, by Marty Gitlin
- Vikings, by Martin Gitlin ; content consultant, Scott A. Mellor
- Olympic basketball legends, by Martin Gitlin
- Battleships, Marty Gitlin
- Understanding your right to due process, Marty Gitlin
- Infrastructure of America's ports, harbors, and dams, Marty Gitlin
- Vietnam War, by Martin Gitlin ; content consultant, Kenneth Heineman, Professor and Chair, History Department, Angelo State University
- Hissing cockroaches, Marty Gitlin
- Seattle Sounders FC, by Marty Gitlin
- Drew Brees, Super Bowl Champ, by Marty Gitlin
- The great American cereal book, how breakfast got its crunch, Marty Gitlin & Topher Ellis
- Jeremy Lin, basketball phenom, Marty Gitlin
- The greatest college football rivalries of all time, the Civil War, the Iron Bowl, and other memorable matchups, Martin Gitlin
- Submarines, Marty Gitlin
- The 1980 U.S. Olympic boycott, a history perspectives book, Martin Gitlin
- The war years, by Martin Gitlin
- St. Louis Cardinals, by Marty Gitlin
- Saltwater fishing, Marty Gitlin and John Willis
- 3D printing, Martin Gitlin
- Careers in personal space travel, Martin Gitlin
- Cam Newton, football star, by Marty Gitlin
- Peyton Manning, [superstar quarterback], by Marty Gitlin
- Stan Lee, comic book superhero, by Martin Gitlin ; content consultant: Kelley J. Hall
- Cleveland Cavaliers, by Marty Gitlin
- The Stanley Cup, all about pro hockey's biggest event, by Martin Gitlin
- The decline of ancient Chinese civilization, Martin Gitlin
- Cincinnati Bengals, by Marty Gitlin
- Girls play to win cheerleading, by Marty Gitlin
- A celebration of animation, the 100 greatest cartoon characters in television history, Marty Gitlin and Joe Wos ; foreword by Tom Kenny, voice of SpongeBob SquarePants
- D.C. United, by Marty Gitlin
- The Battle of Bull Run, a history perspectives book, Martin Gitlin
- Mexico, by Marty Gitlin
- Mike Trout, baseball MVP, Marty Gitlin
- Soccer star Robinho, Marty Gitlin
- Big business in esports, by Mary Gitlin
- Cassini mission, by Marty Gitlin
- Dream jobs in sports scouting, Marty Gitlin
- New York Giants, by Marty Gitlin
- Tennis, by Marty Gitlin
- Social revolution and civil rights, Martin Gitlin