The "Thus Spake" series is a collection of small books or booklets that you can carry around for convenience. Thus Spake Ramakrishna is a part of the series available for separate purchase.

table of Contents
Invocation
(Short Life of Ramakrishna)
God
How to Realize God
Jnana
Bhakti
Karma
Guru
Householder
Sannyasin
Message of Hope