Career
The book belongs to the genre of instructional manuals, marketed for the growing business and middle classes of late 16th century England, and was extremely popular, going into as many as ten editions by 1635, and becoming the most influential correspondence manual of its time. Although his biography is poorly documented, entries on Day appear in both the original and the recently updated editions of the Dictionary of National Biography. Day"s precise dates are not known, but an entry in the Stationer"s Register shows that he was of an age to begin a trade by 1563, for on December 25 of that year he was apprenticed to the stationer Thomas Duxell.
This would fix his date of birth sometime in the period 1546-1550.
