- E-bookThe Codi Cassidy Mystery OmnibusDan DeKoning
- E-bookThe Quincy Bay QuandaryDan DeKoning
- E-bookCodas and CalibersDan DeKoning
- E-bookThe Cacheland ConspiracyDan DeKoning
- E-bookThe Geocaching Mystery OmnibusDan DeKoning
- E-bookThe Secret of the Seven ValleysDan DeKoning
- E-bookSéries: The Codi Cassidy Mystery SeriesDan DeKoning
- E-bookBallads and BloodshedDan DeKoning
- E-bookSéries: The Geocaching Mystery SeriesDan DeKoning