- eBookFalling TimeN E Riggs
- eBookTomb of the MoonN E Riggs
- eBookSeri: Thousand Eye UniverseN E Riggs
- eBookWishing for DeathN E Riggs
- eBookInto the LightN E Riggs
- eBookMyth, Murder, & MadnessN E Riggs
- eBookGray HauntsN E Riggs
- eBookWhisper in the WoodN E Riggs
- eBookGray ReckoningN E Riggs
- eBookIron WillN E Riggs
- eBookOnly the InevitableN E Riggs
- eBookOptimizing RoyaltyN E Riggs
- eBookInside Castle EternalN E Riggs
- eBookOptimizing ProfitN E Riggs
- eBookOptimizing MovingN E Riggs
- eBookCelestial ScourgeN E Riggs
- eBookSeri: A More Efficient FantasyN E Riggs
- eBookUnnatural ThingsN E Riggs
- eBookShadows of an EmpireN E Riggs
- eBookOptimizing FamilyN E Riggs
- eBookGray GuardianN E Riggs
- eBookCaged EarthN E Riggs
- eBookThe Book of AnanN E Riggs
- eBookTwisted MindsN E Riggs
- eBookLost SoulsN E Riggs
- eBookChildren of ChaosN E Riggs
- eBookWater for ChildrenN E Riggs
- eBookLife Across the CosmosN E Riggs
- eBookShadows of an EmpireN E Riggs
- eBookFreed SunN E Riggs
- eBookCenter of the UniverseN E Riggs
- eBookBloody FireN E Riggs
- eBookSeri: Shadows of an EmpireN E Riggs
- eBookGray ParadoxN E Riggs
- eBookShadows of an EmpireN E Riggs
- eBookOptimizing EvilN E Riggs
- eBookSecond ChancesN E Riggs
- eBookGray PoliceN E Riggs
- eBookOptimizing SwordplayN E Riggs
- eBookStone MonstersN E Riggs
- eBookTree of TimeN E Riggs
- eBookSeri: Only the InevitableN E Riggs
- eBookSwift as the WindN E Riggs
- eBookOnly the InevitableN E Riggs
- eBookOptimizing AcceptanceN E Riggs