The Silent Healer — A Modern Study of Aloe Vera    by Bill C. Coats and Robert Joseph Ahola
Price: $9.99 USD. 152590 words. Published by Fideli Publishing on February 15, 2010. .
For more than thirty years, The Silent Healer has been the definitive sourcebook on Aloe Vera in the world. Truly an encyclopedic work sponsored and co-authored by the father of practical Aloe technology, Bill Coats, this “Modern Study of Aloe Vera” has now been re-released with new material in every chapter. The perfect reference for layperson and professional alike.

Dictionary of Dermatology    by Students' Academy
Price: $2.99 USD. 3320 words. Published by Raja Sharma  on August 21, 2011. .
Dermatology is a highly specialized and distinct branch of medical science that deals with skin and its diseases, a unique specialty with both medical and surgical aspects.