Two large volumes of over 1300 pages! Boston's work is the most comprehensive reference set ever penned on the Westminster Shorter Catechism. Concerning the Shorter Catechism, A.F. Mitchell states,

...it is a thoroughly Calvinistic and Puritan catechism, the ripest fruit of the Assembly's thought and experience, maturing and finally fixing the definitions of theological terms to which Puritanism for half a century had been leading up and gradually coming closer and closer to in its legion of catechisms (The Westminster Assembly: Its History and Standards).

The Shorter Catechism is the "king of the catechisms" for shear power of expression, combining logical cogency with succinctness. Boston's exposition is unrivalled; there is nothing else like it. Here you have the cream of Puritan catechisms married to the cream of clear Puritan exposition! This is likely Boston's most important work. A set that will meet numerous needs, ranging from use in family worship, Christian education and personal study, to sermon preparation -- and for help in settling debated questions on the Presbytery floor. A one-of-a-kind set of books that will serve your family for generations to come!

Volume 1:

Contains Thomas Boston's exposition of questions 1 through 35 of the Westminster Shorter Catechism.

Volume 2:

Contains Thomas Boston's exposition of questions 35 through 107 of the Westminster Shorter Catechism.