I want to read the Ashtavakra Gita.
I find difficulty in finding the right translations and explanations. Can someone name some widely used translated forms of this book which contain the original shlokas.
Advaita Ashrama publishes a lot of books on Sri Ramakrishna, Swami Vivekananda, scriptures etc..Check out this link to browse their books which you can order online.
Books are available in Bengali, English, Hindi, Nepali, Sanskrit, Urdu, English-Bengali.
Here is the direct link of Ashtavakra Samhita which you want to buy. It contains original Sanskrit Shlokas.
I havent read this version, but reading the description, this should be good. This is from Ramanasharam and based on a book published by Ramakrishna ashram
There is also a free audio download available here http://www.sriramanamaharshi.org/resource_centre/audio/ashtavakra-gita/
You may also search Ramakrishna Mission bookstores