Available with Zen Publications:
http://zenpublications.com/Forms/EBE87C99_Nothing_is_Everything.aspx
On Amazon USA For those who live outside India.
http://www.amazon.com/Nothing-Everything-Mohan-Gaitonde/dp/9382788972/ref=sr_1_11s=books&ie=UTF8&qid=1398326104&sr=111&keywords=nothing+is+everything
For UK (Non-duality Press)
http://non-dualitypress.org/products/nothing-is-everything
On infibeam.com (For Indians)
http://www.infibeam.com/Books/nothing-everything-mohan-gaitonde/9789382788973.html?utm_term=Nothing+is+Everything_1_1