The earliest version of Sketches by Boz was published by John Macrone in two series : the first as a two-volume set in February 1836 , just a month before the publication of the first number of The Pickwick Papers ( 1836-37 ) , and then a `` Second Series '' in August 1836 .
The first edition of Sketches by Boz was published by John Macrone in two series .