""Two Letters Addressed By J. J. Gurney: To Two Young Friends On The Occasion Of Their Leaving The Society (1859)"" is a book written by Joseph John Gurney. The book is a collection of two letters that Gurney wrote to two young friends who were leaving the Society of Friends, also known as Quakers. The letters were written in 1859, during a time when many Quakers were leaving the society due to disagreements over various issues, including the use...