- EbookThe Critics of ColumbusRichard Di Giacomo
- EbookThe History Teacher's Joke BookRichard Di Giacomo
- EbookThe History Teacher's Movie GuideRichard Di Giacomo
- EbookCalifornia Travel QuestsRichard Di Giacomo
- EbookHistorical Gems of the San Francisco Bay AreaRichard Di Giacomo
- EbookTales of TimeRichard Di Giacomo
- EbookAlong the Rivers of FaithRichard Di Giacomo
- EbookThe New Man and the New WorldRichard Di Giacomo
- EbookPutting History to WorkRichard Di Giacomo