Reader I - Casting The Horoscope
Reader II - Fundamental Principles
Reader III - Predictive Stellar astrology
Reader IV - Marriage, Married Life & Children
Reader V - Transits
Reader VI - Horary Astrology
Nakshtra Chintamani (This book is out of print. This book in PDF format can be downloaded from http://www.scribd.com/doc/227169419/Naksatra-Cintamani
Further Lights on Nakshatra Chintamani
Astro Secrets and Krishnamurthi Padhdhati Part - I, II, III
Krishnamurti Jyotish Rahasya by Suresh Shahasane
Nakshatra Chintan by Shri Sharad Joshi
Apart from this, three readers have also been translated and available in Hindi as follows -
Reader II - Fundamental Principles
Reader IV - Marriage, Married Life & Children
Reader VI - Horary Astrology
Krishnamurti Jyotish Rahasya by Suresh Shahasane
Krishnamurti Jyotish Ved by Suresh Shahasane
Krishnamurti Siddhant by Jyotindra Hasbe
Above books are the recommended books. Here are some more books just for record purpose -
Mr. Jyotidra Hasbe has written 4 books on KP in Marathi. They are
1. Krishnamurthy Siddhant
2. Krishnamurthy Prashnasiddhant Part 1
3. Krishnamurthy Prashnasiddhant Part 2
4. Vedh Nakshatracha
All these books are published by Sumeru Prakashan
D-6, Rajhans Society, Tilaknagar, Dr. Rajendraprasad Road
Dombivali (E) 421 201
Further there are some more books in Marathi,
1. Kundali Rahasya Part I, II and III by Vyankatesh Keshkamat
(Translation of selected horoscopes with analysis from C.R.Bhatt's
book "Kundali Rahasya" in Gujrati)
2. Ashwini te Rewati by Shri. Ram Vadulekar
These books are published by Nakshatradeep Prakashan, Vartaknagar, Thane
3. "Krishnamurti Paddhati : Ek Chikitsa" by Gajanan Tendulkar published by Keshav Bhikaji Dhavale publication is also a good book on KP in Marathi.
Kundali Rahasya Vol. 1 & 2 (First edition published in 1979)
Prashna Jyotish Vol. 1 & 2. (First edition published in 1981)
Nakshatra Chintan by Shri Sharad Joshi
1. Scientific Jyotisha Margadarshini - 3 vols.
By Late sri Sivala Subrahamaniam,
Dist. By: Gollapudi Veeraswamy Son,
Sree SeethaRama Book Depot., Kotagummam,
RAJAHMUNDRY - 533101.
2. Prasna dwara Janma Jathakam, By late sri Sivala Subrahamaniam,
Publishers: Tagore Publishing House, Shop No.20,
Vysya Hostel Bldg., Kacheguda Chorastha,
HYDERABAD - 500027.
3. Prasna Jyotisham (Telugu translation of Horary Astrology KP Reader 3)
By: sri Salva Krishna Murty, Pub: Krishnamurti Pub., Chennai-600002.
4. KP Prasna Jyotishaniki Pancha Sootralu,
By: sri Satyanarayana Naik,
Pub: Sree Jayalakshmi Publications, 2-22-311/9, Western Hills,
Kukatapalle, HYDERABAD - 500072.
1. Krishnamurti Padhdhatite Jyotish Bichar by Prof. Bikash Raha
2. Krishnamurti Padhdhatite Ruling Planet-Gochar-Horary-Prekkha Ittadi by Prof. Bikash Raha
3. Jyotisher Angike Sanatan O Krishnamurti Sammonay Padhdhati by Prabirananda Shastri
4. Bisleshone Krishnamurti by Debadatta
5. Sohoj Krishnamurti by Gourmohan
Here is bookshops/ bookstores where you can buy KP books.
Excerpts from Nakshatra Chintamani by Mr. Chandrakant Bhatt
Dr. Satya Prakash Choudhary on RP - http://www.karmicrhythms.com/pe12.htm
Dr. Raghunatha Rao Nemani's Articles - http://www.prashna-astrology.com/Articles.html
http://www.astro.com/astro-databank/
http://en.wikipedia.org/wiki/Portal:Biography (Biography section of wikipedia)