Thank you for viewing. This is a set of 44 assorted books from 2011 to 2016. Individual sales are not possible. 2011: December issue 2012: March, May, July, August, September, October, December issues 2013: February, April, May, August, September, October, December issues 2014: Complete set from January to December issues 2015: January, February, March, April, May, August, October, November, December issues 2016: January, February, March, April, May, June, July, August issues Condition: No supplements. There is some minor wear and tear, but there are no noticeable stains or signs of use on the pages, and the condition is generally good. Educational Entrance exams Summer vacation Independent research Experiments Observation Discovery