Evangelistic Booklets in Bengali

Christian Tract Ministry

http://christiantractministry.org

Some of these are evangelistic tracts and some are evangelistic booklets.

Chick Publications

https://www.chick.com/products/tract-languages

https://www.chick.com

Four Spiritual Laws

Power to Change

https://store.powertochange.org/p-1387-four-spiritual-laws-tract-bengali-english.aspx#.XypbyC2z3Wc

https://store.powertochange.org

Messages of God's Love Multilingual

http://www.mgl-southasian.com/?s=bengali&post_type=product

http://www.mgl-southasian.com

World Missionary Press

https://www.wmpress.org/read-booklet/languages-produced/

https://www.wmpress.org

Please see the links for the Four Spiritual Laws.