Lassiter WrenLassiter Wren (pseudonym of John T. Colter), with co-author Randle McKay, launched the concept of the “puzzle book”—in which the reader becomes the detective—into a Golden Age phenomenon with The Baffle Book in 1928. The Baffle Book became insantly popular and it was soon followed by The Second Baffle Book (1929) and The Third Baffle Book (1930). Little else is known about John T. Colter. Read More Read Less