Looking for couple books to purchase in Telugu

[Jyothsna P]

Namonnamaha,

Hi all I am specifically looking for the following books to purchase.

I tried to look through amazon.com and google search but still I couldnt find in placed where I can buy them in US , can anyone pleae point me where they are available to purchase ? 

I am specifically looking to buy in Telugu

1. Jagadguru Mahopadesam by BrahmaSri YellamaRaju SrinivasaRao

2. Paniniya Ashtadhyayi : by Acharya Ravva SriHari.

Dhanyavadaha!

Jyothsna