Ive been working with stone 15yrs and I have yet to find one that is a substitute for actual experience. The biggest problem with stone is its natural so each piece is completely different. This is the variable you work against and the reason there are so so many baddly fixed stone jobs, being a
tiler isnt enough you need to understand what I am saying here glean as much info as possible and respect it. Experience is the key here there is no substitute for it and no book is going to give you that.
Decide on a reputable sealer company like Lithofin and get hold of their manuals
Get brochures off the top 3 uk distributers and read what they have to say
When you have done the latter search google for the words you come across like sedimentry, calcific, alkai
This will give you some understanding ,get you started and answer your questions for you.
( travertine, marble, limestone, sealer )
Books & Literature 
Linear Mode
