Jaladhar Sen wrote about 42 books, including novels, travelogues, social messages, books for children, and biographies. Story books - নৈবেদ্য (
Naibedyo), কাঙালের ঠাকুর (
Kangaler Thakur), বড় মানুষ (
Baro Manush) etc.; Novels - দুঃখিনী (
Dukkhini) (1909), অভাগী (
Aubhagi) (3 parts, 1915–32), উৎস (
Utsa) (1932) etc.; Travelogue - প্রবাস-চিত্র (
Prabas Chitra) (1899) and হিমালয় (Himalaya) (1900); Children's literature - সীতাদেবী (Sita debi), কিশোর (Kisgore), শিব সীমন্তিনী (Shib Simantini), মায়ের পূজা (Mayer Puja), আফ্রিকায় সিংহ শিকার (Afrikay Singha Shikar), রামচন্দ্র (Ramchandra), আইসক্রিম সন্দেশ (Ice cream Sondesh) etc.; and Biography - কাঙাল হরিনাথ (
Kangal Harinath) (2 parts, 1913, 1914), are worth to be mentioned. This book, later, was included in the list of textbooks for Calcutta University. "Himalaya" was one of the pioneering literary works written in Bengali in the genre of travelogue, with an account of travel to the Himalayas, and contemporary to "Himaranya" written by Swami Ramananda Bharati describing his experience of travel to Kailsh and Manas Sarovar, published during 1901–02 in the Bengali literary magazine সাহিত্য "Sahitya", and followed by several noted Bengali travelogues writers in later years, such as
Umaprasad Mukhopadhyay,
Shanku Maharaj etc. to popularize travel and expedition to Himalayas in Bengali society and psyche. ==Acquaintances, friends, and personalities==