- 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
- EbookSeries: Engaging Multiple PersonalitiesDavid Yeung