30 books • 7 series
Become a Respiratory Therapist (Skilled and Vocational Trades)
Become an Aircraft Mechanic (Skilled and Vocational Trades)
Treasure of Measures
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The Flying Man
Imagining Space (Reaching for the Stars)
Investigating Space Mysteries (Reaching for the Stars)
Bringing Space Home (Reaching for the Stars)
Great Minds and Finds in North America (Discoveries Around the World)
Great Minds and Finds in Asia (Discoveries Around the World)
Great Minds and Finds in Africa (Discoveries Around the World)
Great Minds and Finds in Europe (Discoveries Around the World)
Invention of Flight (It Changed the World)
Invention of Space Exploration (It Changed the World)
Invention of the Combustion Engine (It Changed the World)
STEM in the Super Bowl
Your Body on Gluten (Nutrition and Your Body)
Nutrition and Your Body: Your Body on Gluten
Novac's Way (Jack Novac Racing Adventure, #3)
Agent Keys Steps Out (Barry Keys Mysteries, #2)
Sounds of Deception
Bobo's Raid
Novac's Run
Novac's Race