I don't see them on Aazon as being available in e-book format.
Here are the links for the printed version though:
http://www.amazon.com/Secrets-Opening-Preparation-Champions-Dvoretsky/dp/3283005168/ref=sr_1_1?s=books&ie=UTF8&qid=1384363010&sr=1-1&keywords=secrets+of+opening+preparation
http://www.amazon.com/The-Ideas-Behind-Chess-Openings/dp/0812917561
hii friends,
I'm currently looking for two books
1.r.fine-ideas behind chess opening
2.dvoretsky-secrets of opening preparation
if any 1 have a link 4 this pls post it below
Wld b of kind help