66 Cuda carpet question

So got the rear seat mostly re-installed today, vacuumed the fifty pounds of dirt and grime out of it, looked under the front passenger seat and found a plethora of awesomeness... an OLD school timing light (circa 1960's) in the box, a 1971 hardback copy if chiltons auto repair manual 1964-1971 and a book called Basics by John Remling from mid 70's covering your basic auto repair tasks.... score......