What Secret Santa left for me

I came home from vacation to find this waiting from me from my Secret Santa:


(Click the image to see a larger version.)

It’s a stack of Asimov’s and Analog magazines from the 1970s and includes the premier issue of Isaac Asimov’s Science Fiction Magazine (the one showing). It also appears to include most issues of Analog from June 1977-August 1978.

Thank you Secret Santa!