Volume 2 is the only comprehensive book length study of the book test that I know of, and the fact that it was written over 50 years ago and still contains untapped ideas in this area (as well as completely prefiguring numerous ‘new’ methods that have received commercial release in the intervening years) is a testament to the depth of Boarde’s scholarship and the quality of his thinking.
Title: Mainly Mental, Volume Two – Book Tests
Publisher: C.L.Boarde (Magico Magazine)
Publication Date: 1950
Book Condition: Very Good