- eBookSolids, Liquids, and GasesMaddie Spalding
- eBookSummer SolsticeMaddie Spalding
- eBookThe Water CycleMaddie Spalding
- eBookA Trip to the BeachMaddie Spalding
- eBookDimesMaddie Spalding
- eBookTwo-Dollar BillsMaddie Spalding
- eBookHow the Executive Branch WorksMaddie Spalding
- eBookCelebrating the Fourth of JulyMaddie Spalding
- eBookGuarding the Centers for Disease Control and PreventionMaddie Spalding
- eBookTen-Dollar BillsMaddie Spalding
- eBookNickelsMaddie Spalding
- eBookLiving vs. NonlivingMaddie Spalding
- eBookLet's Explore Freshwater LakesMaddie Spalding
- eBookGrowing a Pizza GardenMaddie Spalding
- eBookGuarding Supermax PrisonsMaddie Spalding
- eBookFifty-Cent PiecesMaddie Spalding
- eBookPenniesMaddie Spalding
- eBookFive-Dollar BillsMaddie Spalding
- eBookWeather in SummerMaddie Spalding
- eBookTwenty-Dollar BillsMaddie Spalding
- eBookPlants in SummerMaddie Spalding
- eBookHow the Legislative Branch WorksMaddie Spalding
- eBookIt's Father's Day!Maddie Spalding
- eBookThe Animal Life CycleMaddie Spalding
- eBookLet's Explore GrasslandsMaddie Spalding
- eBookOne-Dollar BillsMaddie Spalding
- eBookQuartersMaddie Spalding
- eBookSilver DollarsMaddie Spalding
- eBookOne Hundred-Dollar BillsMaddie Spalding
- eBookAnimals in SummerMaddie Spalding