- eBookEngaging Multiple Personalities Volume 1David Yeung
- eBookEngaging Multiple Personalities Volume 2David Yeung
- eBookEngaging Multiple Personalities - Living in MultiplicityDavid Yeung
- eBookEngaging Multiple Personalities - The Collected Blog PostsDavid Yeung
- eBookEngaging Multiple Personalities Volume 1 Traditional Chinese TranslationDavid Yeung
- eBookSeri: Engaging Multiple PersonalitiesDavid Yeung