- eBookDigging for TomorrowCharles P. Frank
- eBookDigging for TreasureCharles P. Frank
- eBookDigging for CashCharles P. Frank
- eBookDigging Through TimeCharles P. Frank
- eBookDigging for BeautyCharles P. Frank
- eBookDigging for DeathCharles P. Frank
- eBookDigging for AnswersCharles P. Frank
- eBookDigging Through AshesCharles P. Frank