- Medical myths, busted!
- The International Space Station
- Hunting
- Sewer inspector
- The constellation Scorpius, the story of the scorpion
- The over-the-top histories of chew the scenery and other idioms
- Space missions of the 21st century, by Arnold Ringstad
- World War II weapons
- NASA takes photography into space
- The Building of the Hoover Dam, Arnold Ringstad
- True stories of animal friends
- Weird-but-true facts about sports
- What's inside a computer mouse?, Arnold Ringstad
- What's inside a radio?, Arnold Ringstad
- Stars, Arnold Ringstad
- True stories of animal antics
- The thrilling sources of push the envelope and other idioms
- Weird-but-true facts about science
- Diplodocus, Arnold Ringstad
- Totally amazing facts about reptiles, Arnold Ringstad
- Fishing
- The constellation Taurus, the story of the bull
- Weird-but-true facts about the U.S. military
- Coelophysis
- Space missions, Arnold Ringstad
- The Building of the Golden Gate Bridge, Arnold Ringstad
- Rain forest habitats
- Ringstad, Arnold, Idioms
- The constellation Orion, the story of the hunter
- The plant life cycle, Arnold Ringstad
- What's inside a clock?, Arnold Ringstad
- Puffins and penguins
- World War II weapons, by Arnold Ringstad ; content consultant, James D. Scudieri, PHD, research analyst, Army Heritage and Education Center (AHEC), Carlisle, Pennsylvania
- Garbage collector
- Ringstad, Arnold, True animal stories
- Underground habitats
- What's inside a remote-controlled car?, Arnold Ringstad
- What's inside a vcr?, Arnold Ringstad
- Forest habitats
- The bizarre origins of kangaroo court and other idioms
- Space missions of the 21st century
- The Voyager space probes
- What's inside a dvd player?, Arnold Ringstad
- The science of solar energy, by Arnold Ringstad
- Weird-but-true facts about inventions
- The plant life cycle
- What's inside a digital camera?, Arnold Ringstad
- The cycle of photosynthesis
- What's inside headphones?, Arnold Ringstad
- The moon, Arnold Ringstad