After evaluation of 4000+ books on Buddhism, the books below are the best and most accurate available.
most of these books can be bought at:
www.khazana.com
or on www.amazon.com
or used at www.abebooks.com
 

TOP BOOKS

THE DOCTRINE OF THE BUDDHA
by George Grimm

SAKYA OR BUDDHIST ORIGINS
by Mrs. C.A.F. Rhys Davids

DIVINE REVELATIONS IN PALI BUDDHISM
by Peter Masefield

STUDIES IN THE ORIGINS OF BUDDHISM
by Govind Chandra Pande

SELF AND NON-SELF IN EARLY BUDDHISM
by Joaquin Perez-remon

THE EARLY BUDDHIST THEORY OF MAN PERFECTED
by I.B. Horner

THE ORIGIN OF THE BUDDHA IMAGE
by A.K. Coomaraswamy

HINDUISM AND BUDDHISM
by A.K. Coomaraswamy

THE LIVING THOUGHTS OF GOTAMA THE BUDDHA
by A.K. Coomaraswamy

ELEMENTS OF BUDDHIST ICONOGRAPHY
by A.K. Coomaraswamy

INDIAN BUDDHISM
by Hajime Nakamura
 
 

OTHER TOP BOOKS

THE BIRTH OF INDIAN PSYCHOLOGY AND ITS DEVELOPMENT IN BUDDHISM by Mrs. C.A.F. Rhys Davids

A MANUAL OF BUDDHISM FOR ADVANCED STUDENTS  by Mrs. C.A.F. Rhys Davids

THE WAYFARER’S WORDS IN 3 VOLUMES  by Mrs. C.A.F. Rhys Davids

A STUDY OF THE BUDDHIST NORM by Mrs. C.A.F. Rhys Davids

WHAT WAS THE ORIGINAL GOSPEL IN BUDDHISM by Mrs. C.A.F. Rhys Davids

OUTLINES OF BUDDHISM Mrs. C.A.F. Rhys Davids

INDIAN PHILOSOPHY by S. Radhakrishnan

BUDDHIST WISDOM by George Grimm

THE DOCTRINE OF THE BUDDHA by George Grimm

BUDDHIST SECTS IN INDIA by Nalinaksha Dutt

A HISTORY OF EARLY VEDANTA PHILOSOPHY by Hajime Nakamura

THE HISTORICAL EVOLUTION OF THE BUDDHA LEGEND by Sarla Khosla

THE LIFE OF THE BUDDHA AS LEGEND AND HISTORY by Edward J. Thomas

EARLY BUDDHISM AND THE BHAGAVADGITA by Upadhyaya

CULTURAL STUDY OF EARLY PALI TIPITAKAS by Dr. Yashpal

THE RISE AND DECLINE OF BUDDHISM IN INDIA by Kanai Lal Hazra

STUDIES ON PALI COMMENTARIES by Kanai Lal Hazra

THE HISTORY OF THERAVADA BUDDHISM IN SOUTHEAST ASIA by Kanai Lal Hazra

PERCEPTION OF THE VEDAS by A.K. Coomaraswamy

A NEW APPROACH TO THE VEDAS by A.K. Coomaraswamy

METAPHYSICS by A.K. Coomaraswamy

TIME AND ETERNITY by A.K. Coomaraswamy

BUDDHISM INTRODUCTION A.K. Coomaraswamy

THE GOSPEL OF GOTAMA THE BUDDHA by A.K. Coomaraswamy

COLLECTED PAPERS ON BUDDHISTIC STUDIES by Padmanabh S. Jaini

SYSTEMS OF BUDDHISTIC THOUGHT by Yamakami Sogen

THE LITERATURE OF THE PERSONALISTS OF EARLY BUDDHISM  by Bhishu Thich Thien Chau

A HISTORY OF PRE-BUDDHISTIC INDIAN PHILOSOPHY  by Benimadhab Barua