Bought this book from my last visit to Doulos Floating Book Fair @ Victoria Harbour. It's a very informative, tips, step by step care on hands & feet problems. It also gives a clear view on how to achieve a range of attractive manicures & pedicures.
One of the pages in it shows you the foot reflexology points on our feet, it gives you an overall understanding of our feet relates to various organs or system in the body.
Here's a page on Step-by Step Manicure, it teaches you on how to maintain, improve your image & achieve an expert, professional looking manicure.
Anyways, to have strong & healthy hands & feet : Eat right, drink more water, get enough sleep, apply moisturizing cream, do more exercise, in fact all these relates to our skin.