Superb little grouping of matching American Sunday School Union volumes, including a rather scarce example of one of Edersheim's very earliest works.

Anonymous. The Bar of Iron, Or, the Danger or Unsanctified Affliction. A True Story. Philadelphia. American Sunday-School Union. c.1850's. 110pp. 

Anonymous. Independence: True and False. Written for the American Sunday-School Union, and Revised by the Committee of Publication. Philadelphia. American Sunday-School Union. c.1850's. 160pp. 

Edersheim, Rev. Dr. What is Her Name? By Rev. Dr. Edersheim, Author of "Robbie and His Mother," "Miriam Rosenbaum." Etc. Philadelphia. American Sunday-School Union. c.1850's. 156pp. 

A good to good - set, bound in cloth, with "True and False" being stained on the rear board. Lightly shaken overall with the frontis on "What is her Name" detached. Pages are handled with some sporadic light foxing.