Watchman Nee became a Christian in 1920 at the age of 17 and began writing in the same year. In 1921, he met the British missionary M. E. Barber, who was a great influence on him. Through Miss Barber, Nee was introduced to many of the Christian writings which were to have a profound influence on him and his teachings. Wikipedia
The definitive Wikipedia entry for Watchman Nee. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Watchman_Nee
At some point along the way, read Nee's, Dividing of Spirit and Soul, and Knowing the Self . After you finish The Spiritual Man, read The Latent Power of the Soul which belongs at the end of The Spiritual Man. www3.telus.net/trbrooks/SMCFP.htm
Living Stream Ministry publishes the works of Watchman Nee and Witness Lee , providing the authoritative and definitive collections of treasures from these two servants of the Lord Jesus Christ. www.lsm.org