MYSTERY SERIES IV is the REVERSIBLES. Join the KAL HERE There will be six blocks presented over an anticipated schedule as below. Each block is fully reversible, although not all of them look the same on the back as on the front.

BLOCK I--starts March 21, 2015--presented as an entire file at once
BLOCK II--starts March 25, 2015--entire file posted
BLOCK III--starts March 29, 2015--entire file posted
BLOCK IV--starts April 1, 2015--entire file posted
BLOCK V--starts April 5, 2015--entire file posted
BLOCK VI--posted entire file May 16, 2015, sorry!