- EbookThe Best of Our SpiesAlex Gerlis
- EbookPrince of SpiesAlex Gerlis
- EbookThe Swiss SpyAlex Gerlis
- EbookSea of SpiesAlex Gerlis
- EbookAgent in BerlinAlex Gerlis
- EbookThe Berlin SpiesAlex Gerlis
- EbookEnd of SpiesAlex Gerlis
- EbookRing of SpiesAlex Gerlis
- EbookAgent in the ShadowsAlex Gerlis
- EbookVienna SpiesAlex Gerlis
- EbookAgent in PerilAlex Gerlis
- EbookThe Richard Prince ThrillersAlex Gerlis
- EbookThe Spy Masters ThrillersAlex Gerlis
- EbookSeries: Spy MastersAlex Gerlis
- EbookSeries: The Wolf Pack SpiesAlex Gerlis
- EbookSeries: The Richard Prince ThrillersAlex Gerlis