- eBookNetworking for People Who Hate Networking, Second EditionDevora Zack
- eBookNetworking for People Who Hate NetworkingDevora Zack
- eBookSingletaskingDevora Zack
- eBookManaging for People Who Hate ManagingDevora Zack
- eBookThe Cactus and Snowflake at WorkDevora Zack
- eBookSeri: Dein ErfolgNari Kahle
- eBookSeri: Dein BusinessSteffi Burkhart