1. Commentary

   • James P. Ferris

   EditorialNotes Pages: 1 - 2

2. Electrical energy sources for organic synthesis on the early earth

   • Christopher Chyba
   • Carl Sagan

   OriginalPaper Pages: 3 - 17

3. A note on the prebiotic synthesis of organic acids in carbonaceous meteorities

   • John F. Kerridge

   OriginalPaper Pages: 19 - 29

4. Proteinoid microspheres and the process of prebiological photophosphorylation

   • M. P. Kolesnikov

   OriginalPaper Pages: 31 - 37

5. Experimental and computational study of the radiation-induced decomposition of formaldehyde. Implications to cometary nuclei

   • Rafael Navarro-González
   • Susana Castillo-Rojas
   • Alicia Negrón-Mendoza

   OriginalPaper Pages: 39 - 49

6. Book reviews

   • Gerda Horneck
   • Donald S. Miller

   BookReview Pages: 51 - 54

7. Meeting announcements

   Announcement Pages: 55 - 55