- E-bookPhotography as a Pastime or a BusinessBarbara Knox
- E-bookBeing Prepared for a Baby Is the Smartest MoveBarbara Knox
- E-bookSleeping BabyBarbara Knox
- E-bookSimple Skincare and Anti–AgingBarbara Knox
- E-bookSetting Purposeful GoalsBarbara Knox
- E-bookTempered with FireBarbara Knox
- E-bookBajo las olas 1, 2, 3/Under the Sea 1, 2, 3Barbara Knox